unnecessary PYTHONHOME for uWSGI

bin/compile

@@ -194,12 +194,12 @@ done
 # Set context environment variables.
 set-env PATH '$HOME/.heroku/python/bin:$PATH'
 set-env PYTHONUNBUFFERED true
+set-env PYTHONHOME /app/.heroku/python
 set-default-env LIBRARY_PATH /app/.heroku/vendor/lib
 set-default-env LD_LIBRARY_PATH /app/.heroku/vendor/lib
 set-default-env LANG en_US.UTF-8
 set-default-env PYTHONHASHSEED random
 set-default-env PYTHONPATH /app/
-un-set-env PYTHONHOME
 
 
 # Experimental post_compile hook.