Draft: Remove unnecessary CamelCase names

The related functions were introduced in V0.19. They should not be also available under CamelCase names.

src/Mod/Draft/draftutils/utils.py

@@ -906,16 +906,10 @@ def filter_objects_for_modifiers(objects, isCopied=False):
     return filteredObjects
 
 
-filterObjectsForModifiers = filter_objects_for_modifiers
-
-
 def is_closed_edge(edge_index, object):
     return edge_index + 1 >= len(object.Points)
 
 
-isClosedEdge = is_closed_edge
-
-
 def utf8_decode(text):
     r"""Decode the input string and return a unicode string.