Set svn:eol-style=CRLF for all .bat files and everything in bootstrap/win/
Set svn:eol-style=LF for everything else.

Also delete depot_tools/git_cl/ since it's not used anymore.
Review URL: http://codereview.chromium.org/8055016

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@103051 0039d316-1c4b-4281-b951-d872f2087c98