get rid of an old hack to work around a bug around glDeleteTextures() in the adreno drivers
diff --git a/libs/surfaceflinger/LayerBuffer.cpp b/libs/surfaceflinger/LayerBuffer.cpp
index 97d6f97..9339b87 100644
--- a/libs/surfaceflinger/LayerBuffer.cpp
+++ b/libs/surfaceflinger/LayerBuffer.cpp
@@ -322,7 +322,7 @@
 LayerBuffer::BufferSource::~BufferSource()
 {    
     if (mTextureName != -1U) {
-        LayerBase::deletedTextures.add(mTextureName);
+        glDeleteTextures(1, &mTextureName);
     }
 }