minor clean up

Author: slandelle

client/src/main/java/org/asynchttpclient/netty/NettyResponseFuture.java

@@ -32,7 +32,6 @@
 import org.asynchttpclient.Realm;
 import org.asynchttpclient.Request;
 import org.asynchttpclient.channel.ChannelPoolPartitioning;
-import org.asynchttpclient.netty.channel.ChannelManager;
 import org.asynchttpclient.netty.channel.ChannelState;
 import org.asynchttpclient.netty.channel.Channels;
 import org.asynchttpclient.netty.channel.ConnectionSemaphore;
@@ -94,6 +93,7 @@ public final class NettyResponseFuture<V> implements ListenableFuture<V> {
     private static final AtomicIntegerFieldUpdater<NettyResponseFuture> onThrowableCalledField = AtomicIntegerFieldUpdater.newUpdater(NettyResponseFuture.class, "onThrowableCalled");
     @SuppressWarnings("rawtypes")
     private static final AtomicReferenceFieldUpdater<NettyResponseFuture, TimeoutsHolder> timeoutsHolderField = AtomicReferenceFieldUpdater.newUpdater(NettyResponseFuture.class, TimeoutsHolder.class, "timeoutsHolder");
+    @SuppressWarnings("rawtypes")
     private static final AtomicReferenceFieldUpdater<NettyResponseFuture, Object> partitionKeyLockField = AtomicReferenceFieldUpdater.newUpdater(NettyResponseFuture.class, Object.class, "partitionKeyLock");
 
     // volatile where we need CAS ops

client/src/main/java/org/asynchttpclient/netty/channel/ConnectionSemaphore.java

@@ -17,7 +17,6 @@
 import java.util.concurrent.ConcurrentHashMap;
 
 import org.asynchttpclient.AsyncHttpClientConfig;
-import org.asynchttpclient.exception.PoolAlreadyClosedException;
 import org.asynchttpclient.exception.TooManyConnectionsException;
 import org.asynchttpclient.exception.TooManyConnectionsPerHostException;