Remove superfluous git-fetch.

We fetch at the beginning of feature-merge, and we'd fetch again soon
after for no good reason.  This issue was not present in hotfix-merge.
Merge remove-superfluous-git-fetch (#62) into master

Remove superfluous git-fetch.

We fetch at the beginning of feature-merge, and we'd fetch again soon
after for no good reason.  This issue was not present in hotfix-merge.