Remove some unused imports

Change-Id: I69574ca7a96155c347a322e4a401c9bba9c2e15b
diff --git a/src/main/java/com/googlesource/gerrit/plugins/hooks/bz/BugzillaClient.java b/src/main/java/com/googlesource/gerrit/plugins/hooks/bz/BugzillaClient.java
index ccf5827..aa38f85 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/hooks/bz/BugzillaClient.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/hooks/bz/BugzillaClient.java
@@ -15,7 +15,6 @@
 package com.googlesource.gerrit.plugins.hooks.bz;
 
 import java.util.HashMap;
-import java.util.Map;
 import java.util.Set;
 
 import com.googlesource.gerrit.plugins.hooks.its.InvalidTransitionException;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/hooks/bz/BugzillaItsFacade.java b/src/main/java/com/googlesource/gerrit/plugins/hooks/bz/BugzillaItsFacade.java
index 264fad6..4a79142 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/hooks/bz/BugzillaItsFacade.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/hooks/bz/BugzillaItsFacade.java
@@ -16,7 +16,6 @@
 
 import java.io.IOException;
 import java.net.URL;
-import java.util.Map;
 import java.util.concurrent.Callable;
 
 import org.eclipse.jgit.lib.Config;
@@ -25,9 +24,7 @@
 
 import com.google.gerrit.server.config.GerritServerConfig;
 import com.google.inject.Inject;
-import com.googlesource.gerrit.plugins.hooks.its.InvalidTransitionException;
 import com.googlesource.gerrit.plugins.hooks.its.ItsFacade;
-import com.j2bugzilla.base.Bug;
 import com.j2bugzilla.base.BugzillaException;
 import com.j2bugzilla.base.ConnectionException;