modify travis script

.travis.yml

@@ -16,7 +16,6 @@ script:
   - chmod u+x before_validate_license.sh && ./before_validate_license.sh &&chmod u-x before_validate_license.sh
   - chmod u+x tools/license/license-header-checker
   - tools/license/license-header-checker -v -a -r -i vendor  tools/license/license.txt . go  && [[ -z `git status -s` ]]
-  - git status -s
   - chmod u+x before_ut.sh && ./before_ut.sh
   - go mod vendor && go test ./... -coverprofile=coverage.txt -covermode=atomic