Revert "hwc: Perform MDP downscaling for WFD/HDMI Scenario"

This reverts commit 1291675ee44cadc234c4403cf1b0cfe70eadaf3a.
diff --git a/libexternal/Android.mk b/libexternal/Android.mk
index 3df6984..f723113 100644
--- a/libexternal/Android.mk
+++ b/libexternal/Android.mk
@@ -6,7 +6,7 @@
 LOCAL_MODULE_PATH             := $(TARGET_OUT_SHARED_LIBRARIES)
 LOCAL_MODULE_TAGS             := optional
 LOCAL_C_INCLUDES              := $(common_includes) $(kernel_includes)
-LOCAL_SHARED_LIBRARIES        := $(common_libs) liboverlay libqdutils
+LOCAL_SHARED_LIBRARIES        := $(common_libs) liboverlay
 LOCAL_CFLAGS                  := $(common_flags) -DLOG_TAG=\"qdexternal\"
 LOCAL_ADDITIONAL_DEPENDENCIES := $(common_deps)
 LOCAL_SRC_FILES               := external.cpp