Remove redundant injected dependency

Change-Id: Ib8f9169e1eeeae3f24ffbd83f349c722f92b9319

admin/warm-cache-1.0.groovy

diff --git a/admin/warm-cache-1.0.groovy b/admin/warm-cache-1.0.groovy
index 1bad068..3b1d0ce 100644
--- a/admin/warm-cache-1.0.groovy
+++ b/admin/warm-cache-1.0.groovy
@@ -38,9 +38,6 @@
   @Inject
   ProjectCache cache
 
-  @Inject
-  GroupCache groupCache
-
   public void run() {
     println "Loading project list ..."
     def start = System.currentTimeMillis()