Revert "gclient: fetch only what's needed"

This reverts commit bca61a9de79d5a86454edecae5b00e581e9e6783.

This commit was broken

BUG=none
TEST=gclient sync actually updates

TBR=maruel

Review URL: http://codereview.chromium.org/3015012

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@53112 0039d316-1c4b-4281-b951-d872f2087c98

gclient_scm.py

@@ -257,12 +257,6 @@ class GitWrapper(SCMWrapper):
     # Update the remotes first so we have all the refs.
     for _ in range(10):
       try:
-        if rev_type == "branch":
-          remote_output, remote_err = scm.GIT.Capture(
-            ['fetch'] + verbose + ['origin', revision],
-            self.checkout_path,
-            print_error=False)
-        else:
         remote_output, remote_err = scm.GIT.Capture(
             ['remote'] + verbose + ['update'],
             self.checkout_path,