Remove unneeded injection of GitRepositoryManager

Change-Id: I9b2a57ee20f5ff8694a8f02a83a34a9fd50f9a99
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>

hooks-its/src/main/java/com/googlesource/gerrit/plugins/hooks/workflow/GerritHookFilter.java

diff --git a/hooks-its/src/main/java/com/googlesource/gerrit/plugins/hooks/workflow/GerritHookFilter.java b/hooks-its/src/main/java/com/googlesource/gerrit/plugins/hooks/workflow/GerritHookFilter.java
index 0bb1046..4a5670d 100644
--- a/hooks-its/src/main/java/com/googlesource/gerrit/plugins/hooks/workflow/GerritHookFilter.java
+++ b/hooks-its/src/main/java/com/googlesource/gerrit/plugins/hooks/workflow/GerritHookFilter.java
@@ -27,7 +27,6 @@
 import com.google.gerrit.server.events.CommentAddedEvent;
 import com.google.gerrit.server.events.PatchSetCreatedEvent;
 import com.google.gerrit.server.events.RefUpdatedEvent;
-import com.google.gerrit.server.git.GitRepositoryManager;
 import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
 import com.googlesource.gerrit.plugins.hooks.util.CommitMessageFetcher;
@@ -36,9 +35,6 @@
   private static final Logger log = LoggerFactory.getLogger(GerritHookFilter.class);
 
   @Inject
-  private GitRepositoryManager repoManager;
-
-  @Inject
   private CommitMessageFetcher commitMessageFetcher;
 
   public String getComment(String projectName, String commitId)