surfaceflinger: remove un-cached buffer hack for SGX

Signed-off-by: Erik Gilling <konkers@android.com>
diff --git a/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp b/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
index 79c003f..d9d9bfe 100644
--- a/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
+++ b/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
@@ -246,8 +246,7 @@
     LOGI("version   : %s", glGetString(GL_VERSION));
     LOGI("extensions: %s", gl_extensions);
 
-    if (strstr(gl_renderer, "PowerVR SGX 530") ||
-        strstr(gl_renderer, "Adreno")) {
+    if (strstr(gl_renderer, "Adreno")) {
         LOGD("Assuming uncached graphics buffers.");
         mFlags &= ~CACHED_BUFFERS;
     }