ci(check_files): add delete flag

Add a convenient delete function to strip confirmed unused files from
the current source directory. It is not set by default and, while it is
very specific about the directory it's searching and the files it finds,
I advise you use it with caution.

Signed-off-by: Randolph Sapp <rs@ti.com>

Author: StaticRocket

bin/check_files.py

@@ -6,6 +6,7 @@
 Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com
 """
 
+import argparse
 import logging
 import re
 from pathlib import Path
@@ -88,13 +89,26 @@ def get_unused_files(files):
 
 def main():
     """Main CLI entrypoint"""
-    logging.basicConfig(level=logging.INFO)
+    parser = argparse.ArgumentParser(
+        prog="check_files.py",
+        description="Tool to verify all files in the tree are in use",
+    )
+
+    parser.add_argument("-d", "--delete", action="store_true")
+    parser.add_argument("-v", "--verbose", action="store_true")
+
+    args = parser.parse_args()
+    logging.basicConfig(level=logging.DEBUG if args.verbose else logging.INFO)
 
     files_to_check = get_paths(SOURCE_PATH)
     files_unused = get_unused_files(files_to_check)
 
     for path in files_unused:
-        logging.warning("File not used: %s", path)
+        if args.delete:
+            logging.info("Deleting: %s", path)
+            path.unlink()
+        else:
+            logging.warning("File not used: %s", path)
 
 
 if __name__ == "__main__":