remove after_script for integration tests

build/ci/.test.yml

@@ -13,9 +13,6 @@ integration-test:
       allow_failure: true
   script:
     - go test -race ./test/integration -v -coverprofile=coverage.out
-  after_script:
-    - go tool cover -func=coverage.out
-
 
 unit-test:
   image: golang:1.14