Revert "policy_hal: enable integer overflow sanitizer"

This reverts commit b1e78f44d9bd8424fb69a44488f8908e250702f4.
diff --git a/policy_hal/Android.mk b/policy_hal/Android.mk
index 2c6fece..689838e 100644
--- a/policy_hal/Android.mk
+++ b/policy_hal/Android.mk
@@ -75,9 +75,6 @@
 
 LOCAL_MODULE := libaudiopolicymanager
 
-ifeq ($(call is-board-platform-in-list,kona),true)
-LOCAL_SANITIZE := integer_overflow
-endif
 include $(BUILD_SHARED_LIBRARY)
 
 endif