Removing unused imports

Change-Id: I4d1bdedaa99f48372c220af0a75ff5e8f2bbefb7

src/main/java/com/googlesource/gerrit/plugins/gitblit/GerritWicketFilter.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/gitblit/GerritWicketFilter.java b/src/main/java/com/googlesource/gerrit/plugins/gitblit/GerritWicketFilter.java
index b092943..d2d557f 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/gitblit/GerritWicketFilter.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/gitblit/GerritWicketFilter.java
@@ -15,8 +15,6 @@
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.net.InetAddress;
-import java.net.UnknownHostException;
 import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.Iterator;