refactor: Standardize quotation marks in licensing comments for consistency in check_model_file_formatting.py

Author: Woojin-Crive

scripts/check_model_file_formatting.py

@@ -2,21 +2,20 @@
 #
 # Copyright 2025 ROBOTIS CO., LTD.
 #
-# Licensed under the Apache License, Version 2.0 (the 'License');
+# Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an 'AS IS' BASIS,
+# distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
 # Author: Woojin Wie
 
-
 """
 Script to check formatting of Dynamixel model files.