Started removing dependency on six

Removed all dependency on six other than for six.moves.input

Also:
- Started removing code branches which were for Python 2 support

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/remove_unused.py b/examples/remove_unused.py
index cf26fcff..8a567123 100755
--- a/examples/remove_unused.py
+++ b/examples/remove_unused.py
@@ -16,7 +16,7 @@ class RemoveUnusedBuiltinCommands(cmd2.Cmd):
     """ Example cmd2 application where we remove some unused built-in commands."""
 
     def __init__(self):
-        cmd2.Cmd.__init__(self)
+        super().__init__()
 
         # To hide commands from displaying in the help menu, add them to the hidden_commands list
         self.hidden_commands.append('py')