scalafix ConstructorProcedureSyntax

fix by:
+ enabling only ConstructorProcedureSyntax rule in .scalafix.conf
+ then:
```
% sbt -Dakka.build.scalaVersion=2.13.1
> fixall
> scalafmtAll
```

.scalafix.conf

@@ -1,6 +1,7 @@
 // .scalafix.conf
 rules = [
   RemoveUnused
+  "github:ohze/scalafix-rules/ConstructorProcedureSyntax"
 ]
 RemoveUnused.imports = true
 RemoveUnused.privates = false

akka-actor-testkit-typed/src/main/scala/akka/actor/testkit/typed/CapturedLogEvent.scala

@@ -28,37 +28,32 @@ final case class CapturedLogEvent(level: Level, message: String, cause: Option[T
       message: String,
       errorCause: Optional[Throwable],
       marker: Optional[Marker],
-      mdc: java.util.Map[String, Any]) {
+      mdc: java.util.Map[String, Any]) =
     this(level, message, errorCause.asScala, marker.asScala)
-  }
 
   /**
    * Constructor for Java API
    */
-  def this(level: Level, message: String) {
+  def this(level: Level, message: String) =
     this(level, message, Option.empty, Option.empty)
-  }
 
   /**
    * Constructor for Java API
    */
-  def this(level: Level, message: String, errorCause: Throwable) {
+  def this(level: Level, message: String, errorCause: Throwable) =
     this(level, message, Some(errorCause), Option.empty[Marker])
-  }
 
   /**
    * Constructor for Java API
    */
-  def this(level: Level, message: String, marker: Marker) {
+  def this(level: Level, message: String, marker: Marker) =
     this(level, message, Option.empty[Throwable], Some(marker))
-  }
 
   /**
    * Constructor for Java API
    */
-  def this(level: Level, message: String, errorCause: Throwable, marker: Marker) {
+  def this(level: Level, message: String, errorCause: Throwable, marker: Marker) =
     this(level, message, Some(errorCause), Some(marker))
-  }
 
   def getErrorCause: Optional[Throwable] = cause.asJava
 

akka-actor-tests/src/test/scala/akka/event/EventBusSpec.scala

@@ -172,9 +172,8 @@ class ActorEventBusSpec(conf: Config) extends EventBusSpec("ActorEventBus", conf
   import akka.event.ActorEventBusSpec._
   import EventBusSpec.TestActorWrapperActor
 
-  def this() {
+  def this() =
     this(ConfigFactory.parseString("akka.actor.debug.event-stream = on").withFallback(AkkaSpec.testConf))
-  }
 
   type BusType = MyActorEventBus
   def createNewEventBus(): BusType = new MyActorEventBus(system)

akka-actor-tests/src/test/scala/akka/util/ReflectSpec.scala

@@ -16,8 +16,8 @@ object ReflectSpec {
   class Two(@unused a: A, @unused b: B)
 
   class MultipleOne(a: A, b: B) {
-    def this(a: A) { this(a, null) }
-    def this(b: B) { this(null, b) }
+    def this(a: A) = this(a, null)
+    def this(b: B) = this(null, b)
   }
 }
 

akka-cluster-sharding-typed/src/main/scala/akka/cluster/sharding/typed/ClusterShardingSettings.scala

@@ -127,7 +127,7 @@ object ClusterShardingSettings {
       val updatingStateTimeout: FiniteDuration,
       val waitingForStateTimeout: FiniteDuration) {
 
-    def this(classic: ClassicShardingSettings.TuningParameters) {
+    def this(classic: ClassicShardingSettings.TuningParameters) =
       this(
         bufferSize = classic.bufferSize,
         coordinatorFailureBackoff = classic.coordinatorFailureBackoff,
@@ -147,8 +147,6 @@ object ClusterShardingSettings {
         entityRecoveryConstantRateStrategyFrequency = classic.entityRecoveryConstantRateStrategyFrequency,
         entityRecoveryConstantRateStrategyNumberOfEntities = classic.entityRecoveryConstantRateStrategyNumberOfEntities)
 
-    }
-
     require(
       entityRecoveryStrategy == "all" || entityRecoveryStrategy == "constant",
       s"Unknown 'entity-recovery-strategy' [$entityRecoveryStrategy], valid values are 'all' or 'constant'")

akka-cluster-tools/src/main/scala/akka/cluster/pubsub/DistributedPubSubMediator.scala

@@ -104,7 +104,7 @@ final class DistributedPubSubSettings(
       routingLogic: RoutingLogic,
       gossipInterval: FiniteDuration,
       removedTimeToLive: FiniteDuration,
-      maxDeltaElements: Int) {
+      maxDeltaElements: Int) =
     this(
       role,
       routingLogic,
@@ -112,7 +112,6 @@ final class DistributedPubSubSettings(
       removedTimeToLive,
       maxDeltaElements,
       sendToDeadLettersWhenNoSubscribers = true)
-  }
 
   require(
     !routingLogic.isInstanceOf[ConsistentHashingRoutingLogic],

akka-distributed-data/src/test/scala/akka/cluster/ddata/LocalConcurrencySpec.scala

@@ -45,7 +45,7 @@ class LocalConcurrencySpec(_system: ActorSystem)
     with ImplicitSender {
   import LocalConcurrencySpec._
 
-  def this() {
+  def this() =
     this(
       ActorSystem(
         "LocalConcurrencySpec",
@@ -54,7 +54,6 @@ class LocalConcurrencySpec(_system: ActorSystem)
       akka.remote.classic.netty.tcp.port=0
       akka.remote.artery.canonical.port = 0
       """)))
-  }
 
   override def afterAll(): Unit = {
     shutdown(system)

akka-persistence/src/test/scala/akka/persistence/EventAdapterSpec.scala

@@ -101,7 +101,7 @@ abstract class EventAdapterSpec(journalName: String, journalConfig: Config, adap
 
   import EventAdapterSpec._
 
-  def this(journalName: String) {
+  def this(journalName: String) =
     this(
       "inmem",
       PersistenceSpec.config("inmem", "InmemPersistentTaggingSpec"),
@@ -150,7 +150,6 @@ abstract class EventAdapterSpec(journalName: String, journalConfig: Config, adap
          |  }
          |}
       """.stripMargin))
-  }
 
   def persister(name: String, journalId: String = journalName) =
     system.actorOf(Props(classOf[PersistAllIncomingActor], name, "akka.persistence.journal." + journalId))

akka-stream/src/main/scala/akka/stream/scaladsl/Framing.scala

@@ -371,9 +371,8 @@ object Framing {
       extends GraphStage[FlowShape[ByteString, ByteString]] {
 
     //for the sake of binary compatibility
-    def this(lengthFieldLength: Int, lengthFieldOffset: Int, maximumFrameLength: Int, byteOrder: ByteOrder) {
+    def this(lengthFieldLength: Int, lengthFieldOffset: Int, maximumFrameLength: Int, byteOrder: ByteOrder) =
       this(lengthFieldLength, lengthFieldOffset, maximumFrameLength, byteOrder, None)
-    }
 
     private val minimumChunkSize = lengthFieldOffset + lengthFieldLength
     private val intDecoder = byteOrder match {

akka-stream/src/main/scala/com/typesafe/sslconfig/akka/util/AkkaLoggerBridge.scala

@@ -17,7 +17,7 @@ final class AkkaLoggerFactory(system: ActorSystem) extends LoggerFactory {
 }
 
 class AkkaLoggerBridge(bus: EventStream, logSource: String, logClass: Class[_]) extends NoDepsLogger {
-  def this(bus: EventStream, clazz: Class[_]) { this(bus, clazz.getCanonicalName, clazz) }
+  def this(bus: EventStream, clazz: Class[_]) = this(bus, clazz.getCanonicalName, clazz)
 
   override def isDebugEnabled: Boolean = true