Remove redundant git-reset operations.
Remove redundant git-reset operations.

R=agable@chromium.org, hinoka@chromium.org, szager@chromium.org
BUG=

Review URL: https://codereview.chromium.org/312053002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@274970 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build