WFLY-12006 some required attributes should not be optional

ejb3/src/main/java/org/jboss/as/ejb3/subsystem/RemotingEjbReceiverChannelCreationOptionResource.java

@@ -54,7 +54,7 @@
      * Attribute definition of the channel creation option "type"
      */
     static final SimpleAttributeDefinition CHANNEL_CREATION_OPTION_TYPE = new SimpleAttributeDefinitionBuilder(
-            EJB3SubsystemModel.TYPE, ModelType.STRING, true).setRequired(true)
+            EJB3SubsystemModel.TYPE, ModelType.STRING).setRequired(true)
             .setValidator(AllowedChannelOptionTypesValidator.INSTANCE).build();
 
     public static final Map<String, AttributeDefinition> ATTRIBUTES;

ejb3/src/main/java/org/jboss/as/ejb3/subsystem/RemotingEjbReceiverDefinition.java

@@ -45,7 +45,7 @@
 public class RemotingEjbReceiverDefinition extends SimpleResourceDefinition {
 
     public static final SimpleAttributeDefinition OUTBOUND_CONNECTION_REF = new SimpleAttributeDefinitionBuilder(
-            EJB3SubsystemModel.OUTBOUND_CONNECTION_REF, ModelType.STRING, true).setRequired(true).setAllowExpression(true)
+            EJB3SubsystemModel.OUTBOUND_CONNECTION_REF, ModelType.STRING).setRequired(true).setAllowExpression(true)
             .build();
 
     public static final SimpleAttributeDefinition CONNECT_TIMEOUT = new SimpleAttributeDefinitionBuilder(

undertow/src/main/java/org/wildfly/extension/undertow/handlers/ReverseProxyHandlerHost.java

@@ -84,7 +84,7 @@
                         .setDynamicNameMapper(DynamicNameMappers.PARENT)
                         .build();
 
-    public static final SimpleAttributeDefinition OUTBOUND_SOCKET_BINDING = new SimpleAttributeDefinitionBuilder("outbound-socket-binding", ModelType.STRING, true)
+    public static final SimpleAttributeDefinition OUTBOUND_SOCKET_BINDING = new SimpleAttributeDefinitionBuilder("outbound-socket-binding", ModelType.STRING)
             .setRequired(true)
             .setValidator(new StringLengthValidator(1, false))
             .setAllowExpression(true)