Revert "fix [2793164] Spam 2x/second with TOT master in SurfaceFlinger"

This reverts commit 081bc5c47d8a980e6eafa70ddafcd89981586391.
diff --git a/libs/surfaceflinger/SurfaceFlinger.cpp b/libs/surfaceflinger/SurfaceFlinger.cpp
index 23efd16..96a5411 100644
--- a/libs/surfaceflinger/SurfaceFlinger.cpp
+++ b/libs/surfaceflinger/SurfaceFlinger.cpp
@@ -44,7 +44,6 @@
 #include <GLES/gl.h>
 
 #include "clz.h"
-#include "GLExtensions.h"
 #include "Layer.h"
 #include "LayerBlur.h"
 #include "LayerBuffer.h"
@@ -994,9 +993,7 @@
         glTexCoordPointer(2, GL_SHORT, 0, tcoords);
         glEnableClientState(GL_TEXTURE_COORD_ARRAY);
 #if defined(GL_OES_texture_external)
-        if (GLExtensions::getInstance().haveTextureExternal()) {
-            glDisable(GL_TEXTURE_EXTERNAL_OES);
-        }
+        glDisable(GL_TEXTURE_EXTERNAL_OES);
 #endif
         glEnable(GL_TEXTURE_2D);
         glBindTexture(GL_TEXTURE_2D, mWormholeTexName);