Remove strings.py (#2424)

* Remove strings.py

* remove import

Author: Darylgolden

manim/__init__.py

@@ -105,7 +105,6 @@
 from .utils.simple_functions import *
 from .utils.sounds import *
 from .utils.space_ops import *
-from .utils.strings import *
 from .utils.tex import *
 from .utils.tex_templates import *