libril: Remove LOCAL_CLANG

clang is the default compiler since Android nougat

Change-Id: I0555fa8067352fd43b47aabe80be1224597da17e
Signed-off-by: Lennart Wieboldt <lennart.1997@gmx.de>
diff --git a/ril/libril/Android.mk b/ril/libril/Android.mk
index eb23fd1..ed57b2e 100644
--- a/ril/libril/Android.mk
+++ b/ril/libril/Android.mk
@@ -64,7 +64,6 @@
 LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/../include
 
 LOCAL_MODULE:= libril
-LOCAL_CLANG := true
 LOCAL_SANITIZE := integer
 
 include $(BUILD_SHARED_LIBRARY)