Remove explicit tab complete from Python REPL

This is apparently default behavior now.

.config/pythonrc

@@ -3,14 +3,9 @@ try:
 except ImportError:
     print("Module readline not available.")
 else:
-    # Add tab completion
-    import rlcompleter
-    readline.parse_and_bind("tab: complete")
-
     # Don't write history on exit
     readline.write_history_file = lambda *args: None
 
-
 # Try to install rich's prettification stuff
 try:
     from rich import pretty