Remove setup.py entirely

tools/scripts/egg_info_dev

@@ -1,5 +1,4 @@
-# This file only exists for the purposes of generating the development environment's awx.egg-info file
-# because pip install -e is painfully slow. If anyone finds a better way to do this, I'll buy you a drink.
+#!/bin/env python3
 
 import setuptools
 from setuptools.command.egg_info import egg_info as _egg_info
@@ -16,5 +15,7 @@ class egg_info_dev(_egg_info):
 
 if __name__ == "__main__":
     setuptools.setup(
+        script_name = 'setup.py',
+        script_args = ['egg_info_dev'],
         cmdclass={'egg_info_dev': egg_info_dev},
     )