Revert "Added cheatcode "tab" to change level"

This reverts commit 4ea9645999463dc0d6950a5b302eead86307f8f8.

Conflicts:
	gamefiles/Content/Cave.Level.data
	gamefiles/Content/Tutorial.Level.data
	gamefiles/Content/Tutorial_TileMap00.TileMapSource.bin
	gamefiles/Content/__pycache__/py_game_commands.cpython-32.pyc
	gamefiles/Content/py_game_commands.py