Remove unused class which was package private anyway

transport/src/main/java/io/netty/channel/CompleteChannelPromise.java

@@ -1,98 +0,0 @@
-/*
- * Copyright 2012 The Netty Project
- *
- * The Netty Project licenses this file to you 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 io.netty.channel;
-
-
-import io.netty.util.concurrent.EventExecutor;
-import io.netty.util.concurrent.Future;
-import io.netty.util.concurrent.GenericFutureListener;
-
-abstract class CompleteChannelPromise extends CompleteChannelFuture implements ChannelPromise {
-
-    protected CompleteChannelPromise(Channel channel, EventExecutor executor) {
-        super(channel, executor);
-    }
-
-    @Override
-    public ChannelPromise setFailure(Throwable cause) {
-        throw new IllegalStateException();
-    }
-
-    @Override
-    public boolean tryFailure(Throwable cause) {
-        return false;
-    }
-
-    @Override
-    public ChannelPromise setSuccess() {
-        throw new IllegalStateException();
-    }
-
-    @Override
-    public boolean trySuccess() {
-        return false;
-    }
-
-    @Override
-    public boolean trySuccess(Void result) {
-        return false;
-    }
-
-    @Override
-    public ChannelPromise setSuccess(Void result) {
-        throw new IllegalStateException();
-    }
-
-    @Override
-    public ChannelPromise await() throws InterruptedException {
-        return (ChannelPromise) super.await();
-    }
-
-    @Override
-    public ChannelPromise awaitUninterruptibly() {
-        return (ChannelPromise) super.awaitUninterruptibly();
-    }
-
-    @Override
-    public ChannelPromise addListener(GenericFutureListener<? extends Future<? super Void>> listener) {
-        return (ChannelPromise) super.addListener(listener);
-    }
-
-    @Override
-    public ChannelPromise addListeners(GenericFutureListener<? extends Future<? super Void>>... listeners) {
-        return (ChannelPromise) super.addListeners(listeners);
-    }
-
-    @Override
-    public ChannelPromise removeListener(GenericFutureListener<? extends Future<? super Void>> listener) {
-        return (ChannelPromise) super.removeListener(listener);
-    }
-
-    @Override
-    public ChannelPromise removeListeners(GenericFutureListener<? extends Future<? super Void>>... listeners) {
-        return (ChannelPromise) super.removeListeners(listeners);
-    }
-
-    @Override
-    public ChannelPromise sync() throws InterruptedException {
-        return this;
-    }
-
-    @Override
-    public ChannelPromise syncUninterruptibly() {
-        return this;
-    }
-}