Remove a redundant line

This line was intoduced to fix a build break, but
it is not required.

Bug: 134513369
Bug: 134513369
Test: make
Change-Id: I83c2e303afe705f1f608b7078ff58d46a3648cee
Signed-off-by: Roman Kiryanov <rkir@google.com>
diff --git a/Android.mk b/Android.mk
index 240c657..9235b63 100644
--- a/Android.mk
+++ b/Android.mk
@@ -72,7 +72,6 @@
 GOLDFISH_OPENGL_SHOULD_BUILD := true
 
 EMUGL_COMMON_CFLAGS += -DPLATFORM_SDK_VERSION=$(PLATFORM_SDK_VERSION)
-EMUGL_COMMON_CFLAGS += -DPLATFORM_VERSION=$(PLATFORM_VERSION)
 
 ifeq (O, $(PLATFORM_VERSION_CODENAME))
 EMUGL_COMMON_CFLAGS += -DGOLDFISH_HIDL_GRALLOC