Remove no-longer-used calparrot.stop module

calparrot/stop.py

-import argparse
-import logging
-import sys
-
-from tornado.httpclient import HTTPClient
-
-def main():
-    ap = argparse.ArgumentParser()
-    ap.add_argument('port', type=int, help="Port number of CalParrot server")
-    args = ap.parse_args()
-    logging.basicConfig(level=logging.INFO)
-
-    client = HTTPClient()
-    client.fetch(f"http://127.0.0.1:{args.port}/.calparrot/stop", method='POST',
-                 allow_nonstandard_methods=True)  # POST with no body
-    logging.info("Asked CalParrot server to shut down")
-
-
-if __name__ == '__main__':
-    sys.exit(main())