Delete old rendering pipeline

fixes: 30002246

Change-Id: I45df0e924708526cee045b14c291bd23aa1a92db
diff --git a/libs/hwui/PatchCache.h b/libs/hwui/PatchCache.h
index d1c5dbf..4e587fb 100644
--- a/libs/hwui/PatchCache.h
+++ b/libs/hwui/PatchCache.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_HWUI_PATCH_CACHE_H
-#define ANDROID_HWUI_PATCH_CACHE_H
+#pragma once
 
 #include <GLES2/gl2.h>
 
@@ -48,6 +47,7 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 class Caches;
+class RenderState;
 
 class PatchCache {
 public:
@@ -186,5 +186,3 @@
 
 }; // namespace uirenderer
 }; // namespace android
-
-#endif // ANDROID_HWUI_PATCH_CACHE_H