ci(coverage): stopped attempting to report data

since this project has no tests, there is no coverage data to report

Author: travi

.travis.yml

@@ -8,7 +8,6 @@ before_script:
   - 'npm run greenkeeper:update-lockfile'
   - npm ls >/dev/null
 after_script: 'npm run greenkeeper:upload-lockfile'
-after_success: 'npm run coverage:report'
 deploy:
   provider: script
   skip_cleanup: true