chore: Clean muzzle directive name when non necessary

Author: bric3

dd-java-agent/instrumentation/play/play-2.6/build.gradle

@@ -29,7 +29,6 @@ muzzle {
     javaVersion = 11
   }
   pass {
-    name = 'play26Only'
     group = 'com.typesafe.play'
     module = 'play-java_2.11'
     versions = "[2.6.0,2.7.0)"

dd-java-agent/instrumentation/play/play-appsec-2.6/build.gradle

@@ -5,7 +5,6 @@ muzzle {
   extraRepository("typesafe", "https://repo.typesafe.com/typesafe/maven-releases/")
 
   pass {
-    name = 'play26Only'
     group = 'com.typesafe.play'
     module = 'play-java_2.11'
     versions = "[2.6.0,2.7.0)"

dd-java-agent/instrumentation/play/play-appsec-2.6/src/main/java/datadog/trace/instrumentation/play26/appsec/RoutingDslInstrumentation.java

@@ -25,11 +25,6 @@ public RoutingDslInstrumentation() {
     super("play");
   }
 
-  @Override
-  public String muzzleDirective() {
-    return "play26Only";
-  }
-
   @Override
   public String instrumentedType() {
     return "play.routing.RoutingDsl$Route";

dd-java-agent/instrumentation/play/play-appsec-2.7/build.gradle

@@ -5,23 +5,20 @@ muzzle {
   extraRepository("typesafe", "https://repo.typesafe.com/typesafe/maven-releases/")
 
   pass {
-    name = 'play27'
     group = 'com.typesafe.play'
     module = 'play-java_2.11'
     versions = "[2.7.0,)"
     assertInverse = true
     javaVersion = 11
   }
   pass {
-    name = 'play27'
     group = 'com.typesafe.play'
     module = 'play-java_2.12'
     versions = "[2.7.0,)"
     assertInverse = true
     javaVersion = 11
   }
   pass {
-    name = 'play27'
     group = 'com.typesafe.play'
     module = 'play-java_2.13'
     versions = "[2.7.0,)"

dd-java-agent/instrumentation/play/play-appsec-2.7/src/main/java/datadog/trace/instrumentation/play27/appsec/RoutingDsl27Instrumentation.java

@@ -20,11 +20,6 @@ public RoutingDsl27Instrumentation() {
     super("play");
   }
 
-  @Override
-  public String muzzleDirective() {
-    return "play27";
-  }
-
   @Override
   public String instrumentedType() {
     return "play.routing.RoutingDsl$Route";