Remove erroneous set of status_code causing a traceback in module uri

Fixes #7416

library/network/uri

@@ -406,7 +406,6 @@ def main():
     # Write the file out if requested
     if dest is not None:
         if resp['status'] == 304:
-            status_code = 304
             changed = False
         else:
             write_file(module, url, dest, content)