Remove SVN (and dcommit) support from git-cl

tests/submodule-merge-test.sh

-#!/usr/bin/env bash
-
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-set -e
-SCRIPT_DIR=$(cd $(dirname "$BASH_SOURCE") && pwd)
-cd ${SCRIPT_DIR}
-
-. ./test-lib.sh
-
-setup_initsvn
-setup_gitsvn_submodule
-
-(
-  set -e
-  prev_svn_revision=`svn info file://$PWD/svnrepo | grep ^Revision | \
-      sed s/^.*:// | xargs`
-  cd git-svn-submodule
-  git config rietveld.server localhost:1
-  git checkout -q --track -b work
-  echo "some work done" >> test
-  git add test; git commit -q -m "work \
-TBR=foo"
-
-  git_diff=`git diff HEAD^ | sed -n '/^@@/,$p' | xargs`
-
-  test_expect_success "dcommitted code" \
-      "$GIT_CL dcommit --no-oauth2 -f --bypass-hooks -m 'dcommit'"
-
-  cd ..
-
-  next_svn_revision=`svn info file://$PWD/svnrepo | grep ^Revision | \
-      sed s/^.*:// | xargs`
-
-  test_expect_success "svn got new revision" \
-      "test $next_svn_revision = `expr $prev_svn_revision + 1`"
-
-  svn_diff=`svn diff -c $next_svn_revision file://$PWD/svnrepo | \
-      sed -n '/^@@/,$p' | xargs`
-
-  test_expect_success "svn diff is correct" \
-      "test \"$git_diff\" = \"$svn_diff\""
-
-  cd git-svn-submodule
-  git svn fetch
-  last_svn_rev=`git show refs/remotes/origin/trunk | grep git-svn-id: | \
-      grep -o trunk@[0-9]* | xargs`
-
-  test_expect_success "git svn fetch gets new svn revision" \
-      "test $last_svn_rev = trunk@$next_svn_revision"
-)
-SUCCESS=$?
-
-#cleanup
-
-if [ $SUCCESS == 0 ]; then
-  echo PASS
-fi