Remove CompilingFailed because it does nothing

Change-Id: Ibeb244d0a9ebfbf019bc72e1efeacb73c3140cb2

-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.net.intent.impl;
-
-import org.onosproject.net.intent.Intent;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-/**
- * A processing phase after compilation failure.
- */
-class CompilingFailed implements CompletedIntentUpdate {
-
-    private final Intent intent;
-
-    /**
-     * Create an instance from the submitted intent.
-     *
-     * @param intent submitted intent.
-     */
-    CompilingFailed(Intent intent) {
-        this.intent = checkNotNull(intent);
-    }
-}

@@ -479,10 +479,12 @@ public class IntentManager
                 return Optional.of(new Installing(intent, compileIntent(intent, null)));
             } catch (PathNotFoundException e) {
                 log.debug("Path not found for intent {}", intent);
-                return Optional.of(new CompilingFailed(intent));
+                // TODO: revisit to implement failure handling
+                return Optional.of(new DoNothing());
             } catch (IntentException e) {
                 log.warn("Unable to compile intent {} due to:", intent.id(), e);
-                return Optional.of(new CompilingFailed(intent));
+                // TODO: revisit to implement failure handling
+                return Optional.of(new DoNothing());
             }
         }
     }