Remove Edit action helpers

I'm not going to use them in v2 of update

commands/parsing.py

@@ -4,29 +4,6 @@
 ######################################################################
 # Parsing Helpers
 
-class EditAction(ArgAction):
-    """
-        argparse action that stores a value and also flags args._editing
-    """
-    def __call__(self, parser, namespace, values, option_string=None):
-        setattr(namespace, "_editing", True)
-        setattr(namespace, self.dest, values or self.default)
-
-
-class EditActionStoreTrue(ArgAction):
-    """
-        argparse action that stores True but also flags args._editing
-    """
-    def __init__(self, option_strings, dest, nargs=None, **kwargs):
-        if nargs is not None:
-            raise ValueError("nargs not allowed")
-        super(EditActionStoreTrue, self).__init__(option_strings, dest, nargs=0, **kwargs)
-
-    def __call__(self, parser, namespace, values, option_string=None):
-        setattr(namespace, "_editing", True)
-        setattr(namespace, self.dest, True)
-
-
 class ParseArgument(object):
     """
         Provides argument forwarding so that 'makeSubParser' can take function-like arguments.