Don't ignore git submodules

b/162537710

Change-Id: Ib6c9d9d44dadde08f5324d85e155ed453e30f855
diff --git a/fetch.py b/fetch.py
index 35e05d3..1596825 100755
--- a/fetch.py
+++ b/fetch.py
@@ -146,13 +146,8 @@
     if self.options.dry_run:
       print 'cd %s' % wd
     self.run_git(
-        'submodule', 'foreach',
-        'git config -f $toplevel/.git/config submodule.$name.ignore all',
-        cwd=wd)
-    self.run_git(
         'config', '--add', 'remote.origin.fetch',
         '+refs/tags/*:refs/tags/*', cwd=wd)
-    self.run_git('config', 'diff.ignoreSubmodules', 'all', cwd=wd)
 
 
 class GclientGitSvnCheckout(GclientGitCheckout, SvnCheckout):