Remove FRAMEBUFFER_FORCE_FORMAT

It's no longer used, except for a debugging line.

Change-Id: I44e1c17129e71168b263e872e9aaab0f164d3832
diff --git a/libs/ui/Android.mk b/libs/ui/Android.mk
index ee6c093..69ee949 100644
--- a/libs/ui/Android.mk
+++ b/libs/ui/Android.mk
@@ -54,10 +54,6 @@
 	libutils \
 	liblog
 
-ifneq ($(BOARD_FRAMEBUFFER_FORCE_FORMAT),)
-LOCAL_CFLAGS += -DFRAMEBUFFER_FORCE_FORMAT=$(BOARD_FRAMEBUFFER_FORCE_FORMAT)
-endif
-
 LOCAL_MODULE := libui
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/libs/ui/UiConfig.cpp b/libs/ui/UiConfig.cpp
index 9e7ba8e..7730690 100644
--- a/libs/ui/UiConfig.cpp
+++ b/libs/ui/UiConfig.cpp
@@ -18,20 +18,10 @@
 
 namespace android {
 
-#ifdef FRAMEBUFFER_FORCE_FORMAT
-// We need the two-level macro to stringify the contents of a macro argument
-#define STRINGIFY(x) #x
-#define TOSTRING(x) STRINGIFY(x)
-#endif
-
 void appendUiConfigString(String8& configStr)
 {
     static const char* config =
-            " [libui"
-#ifdef FRAMEBUFFER_FORCE_FORMAT
-            " FRAMEBUFFER_FORCE_FORMAT=" TOSTRING(FRAMEBUFFER_FORCE_FORMAT)
-#endif
-            "]";
+            " [libui]";
     configStr.append(config);
 }