Add a dependency on cmd2_ansi and remove ansi submodule

Author: tleonhardt

cmd2_table/__init__.py

@@ -1,15 +1,5 @@
 """Import certain things for backwards compatibility."""
 
-from .ansi import (
-    Bg,
-    EightBitBg,
-    EightBitFg,
-    Fg,
-    RgbBg,
-    RgbFg,
-    TextStyle,
-    style,
-)
 from .table_creator import (
     AlternatingTable,
     BorderedTable,
@@ -20,16 +10,7 @@
     VerticalAlignment,
 )
 
-__all__: list[str] = [  # noqa: RUF022
-    # ANSI Exports
-    'Bg',
-    'Fg',
-    'EightBitBg',
-    'EightBitFg',
-    'RgbBg',
-    'RgbFg',
-    'TextStyle',
-    'style',
+__all__: list[str] = [
     # Table Exports
     'AlternatingTable',
     'BorderedTable',