Remove unnecessary git fetch
Remove unnecessary git fetch

- remove gulp task to push to master, functionality moving to concourse

[#146118793]

Signed-off-by: Elana Koren <116d8984eb84f542b9db9cfa2de560bbc5021fcd@pivotal.io>

pivotal-cf/pivotal-ui,pivotal-cf/pivotal-ui,pivotal-cf/pivotal-ui