Remove third_party/twisted_8_1

third_party/twisted_8_1/twisted/runner/topfiles/setup.py

-try:
-    from twisted.python.dist import setup, ConditionalExtension as Extension
-except ImportError:
-    raise SystemExit("twisted.python.dist module not found.  Make sure you "
-                     "have installed the Twisted core package before "
-                     "attempting to install any other Twisted projects.")
-
-extensions = [
-    Extension("twisted.runner.portmap",
-              ["twisted/runner/portmap.c"],
-              condition=lambda builder: builder._check_header("rpc/rpc.h")),
-]
-
-if __name__ == '__main__':
-    setup(
-        twisted_subproject="runner",
-        # metadata
-        name="Twisted Runner",
-        description="Twisted Runner is a process management library and inetd "
-                    "replacement.",
-        author="Twisted Matrix Laboratories",
-        author_email="twisted-python@twistedmatrix.com",
-        maintainer="Andrew Bennetts",
-        maintainer_email="spiv@twistedmatrix.com",
-        url="http://twistedmatrix.com/trac/wiki/TwistedRunner",
-        license="MIT",
-        long_description="""\
-Twisted Runner contains code useful for persistent process management
-with Python and Twisted, and has an almost full replacement for inetd.
-""",
-        # build stuff
-        conditionalExtensions=extensions,
-    )