qdutils/hwc: Remove unused code surrounding fps calculations

Remove unused code surrounding fps calculations from qdutils and hwc

Change-Id: I1d78a26fdd582ae184fd7367cf692e472283fee1
CRs-fixed: 2157422
diff --git a/common.mk b/common.mk
index c003fde..c1b13ec 100644
--- a/common.mk
+++ b/common.mk
@@ -5,7 +5,7 @@
     then echo DISPLAY_CONFIG_1_1; fi)
 
 #Common C flags
-common_flags := -DDEBUG_CALC_FPS -Wno-missing-field-initializers
+common_flags := -Wno-missing-field-initializers
 common_flags += -Wconversion -Wall -Werror -std=c++14
 common_flags += -DUSE_GRALLOC1
 ifeq ($(TARGET_IS_HEADLESS), true)