Remove shader based gamma approach

Also fixes some INIT_LOGD logs

Change-Id: I212a71a1e7b366aea41f7c3c8cc169d509d6e4a2
diff --git a/libs/hwui/PathCache.cpp b/libs/hwui/PathCache.cpp
index f503e5d..4031f2e1 100644
--- a/libs/hwui/PathCache.cpp
+++ b/libs/hwui/PathCache.cpp
@@ -138,10 +138,10 @@
         mSize(0), mMaxSize(MB(DEFAULT_PATH_CACHE_SIZE)) {
     char property[PROPERTY_VALUE_MAX];
     if (property_get(PROPERTY_PATH_CACHE_SIZE, property, nullptr) > 0) {
-        INIT_LOGD("  Setting %s cache size to %sMB", name, property);
+        INIT_LOGD("  Setting path cache size to %sMB", property);
         mMaxSize = MB(atof(property));
     } else {
-        INIT_LOGD("  Using default %s cache size of %.2fMB", name, DEFAULT_PATH_CACHE_SIZE);
+        INIT_LOGD("  Using default path cache size of %.2fMB", DEFAULT_PATH_CACHE_SIZE);
     }
 
     mCache.setOnEntryRemovedListener(this);