remove (dead) caches from hwui

Test: make

Change-Id: I18bfe51896672272ce7d471eaead69b651399368
diff --git a/libs/hwui/ResourceCache.cpp b/libs/hwui/ResourceCache.cpp
index d60b994..464a58d 100644
--- a/libs/hwui/ResourceCache.cpp
+++ b/libs/hwui/ResourceCache.cpp
@@ -113,7 +113,7 @@
     if (ref == nullptr) {
         // If we're not tracking this resource, just delete it
         if (Caches::hasInstance()) {
-            Caches::getInstance().patchCache.removeDeferred(resource);
+            // DEAD CODE
         } else {
             // A Res_png_9patch is actually an array of byte that's larger
             // than sizeof(Res_png_9patch). It must be freed as an array.
@@ -136,7 +136,7 @@
         switch (ref->resourceType) {
             case kNinePatch: {
                 if (Caches::hasInstance()) {
-                    Caches::getInstance().patchCache.removeDeferred((Res_png_9patch*)resource);
+                    // DEAD CODE
                 } else {
                     // A Res_png_9patch is actually an array of byte that's larger
                     // than sizeof(Res_png_9patch). It must be freed as an array.