style: delete unmatched quotes manually to avoid conflicts between bl…

…ack and docformatter

src/regolith/validators.py

@@ -40,7 +40,7 @@ def is_string(x):
 
 
 def to_bool(x):
-    """ "Converts to a boolean in a semantically meaningful way."""
+    """Converts to a boolean in a semantically meaningful way."""
     if isinstance(x, bool):
         return x
     elif isinstance(x, string_types):