Cleanup imports.

Author: rlubke

providers/grizzly/src/main/java/org/asynchttpclient/providers/grizzly/GrizzlyAsyncHttpProvider.java

@@ -16,13 +16,9 @@
 import org.asynchttpclient.AsyncHandler;
 import org.asynchttpclient.AsyncHttpClientConfig;
 import org.asynchttpclient.AsyncHttpProvider;
-import org.asynchttpclient.HttpResponseBodyPart;
-import org.asynchttpclient.HttpResponseHeaders;
-import org.asynchttpclient.HttpResponseStatus;
 import org.asynchttpclient.ListenableFuture;
 import org.asynchttpclient.ProxyServer;
 import org.asynchttpclient.Request;
-import org.asynchttpclient.Response;
 import org.asynchttpclient.ntlm.NTLMEngine;
 import org.asynchttpclient.providers.grizzly.filters.AsyncHttpClientEventFilter;
 import org.asynchttpclient.providers.grizzly.filters.AsyncHttpClientFilter;
@@ -69,7 +65,6 @@
 import javax.net.ssl.SSLEngine;
 import java.io.IOException;
 import java.util.LinkedHashSet;
-import java.util.List;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;