git pull: remove the existing create_pull_request script
The patches to follow completely rewrite the existing create-pull-request.
Rather than have an initial diff of the two files (which are not at all
similar) remove the original, and then create the new one.
Signed-off-by: Darren Hart <dvhart@linux.intel.com> CC: Nitin A Kamble <nitin.a.kamble@intel.com> CC: Richard Purdie <rpurdie@linux.intel.com> CC: Saul Wold <saul.wold@intel.com> CC: Bruce Ashfield <bruce.ashfield@windriver.com>
