Remove obsolete LockWrapper.Factory

Change-Id: Ibdf6b9ad0e85c659fec84dbe742893f2c64658ab

src/main/java/com/googlesource/gerrit/plugins/multisite/validation/ValidationModule.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/multisite/validation/ValidationModule.java b/src/main/java/com/googlesource/gerrit/plugins/multisite/validation/ValidationModule.java
index fc4d505..2b41552 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/multisite/validation/ValidationModule.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/multisite/validation/ValidationModule.java
@@ -49,7 +49,6 @@
   protected void configure() {
     bind(SharedRefDatabaseWrapper.class).in(Scopes.SINGLETON);
     bind(SharedRefLogger.class).to(Log4jSharedRefLogger.class);
-    factory(LockWrapper.Factory.class);
 
     factory(SharedRefDbRepository.Factory.class);
     factory(SharedRefDbRefDatabase.Factory.class);