Revert "First draft of visual novel PDM"

This reverts commit efb05fc.

Author: TearGosling

toolbox/datasets/visual_novels.py

@@ -61,10 +61,3 @@ def uppercase(string: str) -> str:
         return string
     else:
         return string[0].upper() + string[1:]
-
-def is_first_and_last_char(line: str, char_to_find: str) -> bool:
-    '''Detects whether a character is present as both the first and last character in a string'''
-    if line.lstrip()[0] == char_to_find and line.rstrip[-1] == char_to_find:
-        return True
-    else:
-        return False