code: public static String removeRight(final String value, final String suffix, final boolean caseSensitive) {
          validate(value, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
          validate(suffix, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
          return endsWith(value, suffix, caseSensitive) ? value
                  .substring(0, value.toLowerCase().lastIndexOf(suffix.toLowerCase())) : value;
      }
docs: Returns a new string with the 'suffix' removed, if present.
  
  @param value         The input String
  @param suffix        The suffix to remove
  @param caseSensitive whether search should be case sensitive or not
  @return The String without suffix!