Removal of unused logger

Change-Id: Icbf4abc80e3d6a29405bab369c8bedb18c9494c4

src/main/java/com/googlesource/gerrit/plugins/hooks/bz/BugzillaClient.java

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 715c7b6..ccf5827 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
@@ -18,9 +18,6 @@
 import java.util.Map;
 import java.util.Set;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import com.googlesource.gerrit.plugins.hooks.its.InvalidTransitionException;
 import com.j2bugzilla.base.Bug;
 import com.j2bugzilla.base.BugzillaConnector;
@@ -37,8 +34,6 @@
 
 public class BugzillaClient {
 
-  private Logger log = LoggerFactory.getLogger(BugzillaClient.class);
-
   private final BugzillaConnector connector;
   private final String xmlRpcUrl;
   private static HashMap<Fields, Set<String>> legalFieldValues = new HashMap<Fields, Set<String>>();