Remove useless function

Author: AdrienVannson

tests/util.py

@@ -1,7 +1,6 @@
 import asyncio
 import os
 import sys
-from collections.abc import Generator
 from pathlib import Path
 
 os.environ["PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION"] = "python"
@@ -13,12 +12,6 @@
 output_path_betterproto_pydantic = root_path.joinpath("output_betterproto_pydantic")
 
 
-def get_files(path, suffix: str) -> Generator[str, None, None]:
-    for r, dirs, files in os.walk(path):
-        for filename in [f for f in files if f.endswith(suffix)]:
-            yield os.path.join(r, filename)
-
-
 def get_directories(path):
     for root, directories, files in os.walk(path):
         yield from directories