Revert this as it was not intended at all

src/main/java/io/vertx/codegen/ClassModel.java

@@ -755,15 +755,7 @@ private List<ParamInfo> getParams(ExecutableElement execElem, ExecutableType exe
       } catch (Exception e) {
         throw new GenException(param, e.getMessage());
       }
-      TypeElement handlerElt = elementUtils.getTypeElement(VERTX_HANDLER);
-      ExecutableElement handlerMeth = (ExecutableElement) handlerElt.getEnclosedElements().get(0);
-      if (handlerMeth.equals(execElem)) {
-        // Special case : create an Handler<type> type
-        DeclaredType handlerType = typeUtils.getDeclaredType(handlerElt, type);
-        checkParamType(execElem, handlerType, typeFactory.create(handlerType), i, params.size());
-      } else {
-        checkParamType(execElem, type, typeInfo, i, params.size());
-      }
+      checkParamType(execElem, type, typeInfo, i, params.size());
       String name = param.getSimpleName().toString();
       ParamInfo mParam = new ParamInfo(name, descs.get(name), typeInfo);
       mParams.add(mParam);

src/test/java/io/vertx/test/codegen/GeneratorTest.java

@@ -133,10 +133,8 @@
 import io.vertx.test.codegen.testapi.fluent.FluentMethodWithVoidReturn;
 import io.vertx.test.codegen.testapi.fluent.InterfaceWithFluentMethodOverrideFromAbstract;
 import io.vertx.test.codegen.testapi.fluent.InterfaceWithFluentMethodOverrideFromConcrete;
-import io.vertx.test.codegen.testapi.handler.InterfaceExtendingAsyncResultHandler;
 import io.vertx.test.codegen.testapi.handler.InterfaceExtendingHandlerStringSubtype;
 import io.vertx.test.codegen.testapi.handler.InterfaceExtendingHandlerVertxGenSubtype;
-import io.vertx.test.codegen.testapi.handler.InterfaceExtendingInvalidAsyncResultHandler;
 import io.vertx.test.codegen.testapi.impl.InterfaceInImplPackage;
 import io.vertx.test.codegen.testapi.impl.sub.InterfaceInImplParentPackage;
 import io.vertx.test.codegen.testapi.simple.InterfaceInImplContainingPackage;
@@ -1624,35 +1622,6 @@ public void testInterfaceExtendingHandlerVertxGenSubtype() throws Exception {
     checkMethod(model.getMethodMap().get("handle").get(0), "handle", null, MethodKind.OTHER, "void", false, false, false, 1);
   }
 
-  @Test
-  public void testInterfaceExtendingAsyncResultHandler() throws Exception {
-    for (Class<?> clazz : Arrays.asList(InterfaceExtendingAsyncResultHandler.class, InterfaceExtendingAsyncResultHandler.class)) {
-      ClassModel model = new Generator().generateClass(clazz);
-      TypeInfo.Parameterized handlerSuperType = (TypeInfo.Parameterized) model.getHandlerSuperType();
-      assertEquals(1, handlerSuperType.getArgs().size());
-      TypeInfo.Class.Api apiType = (TypeInfo.Class.Api) model.getType();
-      assertTrue(apiType.isHandler());
-      TypeInfo handlerArg = apiType.getHandlerArg();
-      assertEquals(TypeInfo.create(AsyncResult.class), handlerArg.getRaw());
-      assertEquals(TypeInfo.create(String.class), ((TypeInfo.Parameterized) handlerArg).getArgs().get(0));
-      assertFalse(apiType.isReadStream());
-      assertFalse(apiType.isWriteStream());
-      assertEquals(1, model.getMethodMap().size());
-      assertEquals(1, model.getMethodMap().get("handle").size());
-      checkMethod(model.getMethodMap().get("handle").get(0), "handle", null, MethodKind.OTHER, "void", false, false, false, 1);
-    }
-  }
-
-  @Test
-  public void testInterfaceExtendingInvalidAsyncResultHandler() throws Exception {
-    try {
-      new Generator().generateClass(InterfaceExtendingInvalidAsyncResultHandler.class);
-      fail("Invalid async result handler extension should fail");
-    } catch (GenException e) {
-      // pass
-    }
-  }
-
   @Test
   public void testMethodInvalidListReturn2() throws Exception {
     try {