Fix real file depends on PHONY target

Change-Id: Idd42f4575dfd9fbbff9ab15e20e65d932df0390c
diff --git a/build/tasks/apicheck.mk b/build/tasks/apicheck.mk
index 6b2c85b..ee6f35c 100644
--- a/build/tasks/apicheck.mk
+++ b/build/tasks/apicheck.mk
@@ -38,7 +38,7 @@
 # (See lineage-sdk/Android.mk)
 # we need to add api-stubs as additional dependency of the api check.
 
-$(INTERNAL_LINEAGE_PLATFORM_API_FILE): lineage-api-stubs-docs
+$(INTERNAL_LINEAGE_PLATFORM_API_FILE):
 
 # Check that the API we're building hasn't broken the last-released
 # SDK version.