[NFC][UR] Cleanup Python generator scripts (#18006)

* Move copyright notices out of file `__doc__` strings and into comments
* Move function `__doc__` strings into functions

Author: kbenzie

unified-runtime/scripts/add_experimental_feature.py

@@ -1,11 +1,8 @@
-"""
-Copyright (C) 2023 Intel Corporation
-
-Part of the Unified-Runtime Project, under the Apache License v2.0 with LLVM Exceptions.
-See LICENSE.TXT
-SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
-"""
+# Copyright (C) 2023 Intel Corporation
+#
+# Part of the Unified-Runtime Project, under the Apache License v2.0 with LLVM Exceptions.
+# See LICENSE.TXT
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 import argparse
 import sys
@@ -37,7 +34,6 @@ def get_user_name_email_from_git_config():
 
 
 def main():
-
     argParser = argparse.ArgumentParser()
     argParser.add_argument(
         "name", help="must be lowercase and kebab case i.e. command-buffer", type=str

unified-runtime/scripts/ctest_parser.py

@@ -1,11 +1,10 @@
-#!/usr/bin/env python
-"""
-Copyright (C) 2022 Intel Corporation
+#!/usr/bin/env python3
 
-Part of the Unified-Runtime Project, under the Apache License v2.0 with LLVM Exceptions.
-See LICENSE.TXT
-SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-"""
+# Copyright (C) 2022 Intel Corporation
+#
+# Part of the Unified-Runtime Project, under the Apache License v2.0 with LLVM Exceptions.
+# See LICENSE.TXT
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 from subprocess import Popen, DEVNULL, PIPE
 import argparse