Remove dangling reference to LLVMgold.so

We removed LLVMgold.so from the Android LLVM for a long time.

Change-Id: I334d93659f801cc3bcfff1162adc950c83ed14ba
Test: presubmit
diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk
index 7fa190f..82b17be 100644
--- a/core/config_sanitizers.mk
+++ b/core/config_sanitizers.mk
@@ -413,7 +413,6 @@
     my_cflags += -fvisibility=default
   endif
   my_ldflags += $(CFI_EXTRA_LDFLAGS)
-  my_arflags += --plugin $(LLVM_PREBUILTS_PATH)/../lib64/LLVMgold.so
 
   ifeq ($(LOCAL_FORCE_STATIC_EXECUTABLE),true)
         my_ldflags := $(filter-out -fsanitize-cfi-cross-dso,$(my_ldflags))