fix: clean code

Author: cauriol

stac_fastapi/eodag/extensions/data_download.py

@@ -158,7 +158,7 @@ def _handle_zarr(
                     headers["content-type"] = content_type
 
                 return StreamingResponse(
-                    content=self._read_file_chunks(open(str(file_full_path), "rb")),
+                    content=self._read_file_chunks_and_delete(open(str(file_full_path), "rb")),
                     headers=headers,
                 )
             try:
@@ -213,17 +213,6 @@ def _file_to_stream(
             },
         )
 
-    def _read_file_chunks(self, opened_file: BufferedReader, chunk_size: int = 64 * 1024) -> Iterator[bytes]:
-        """Yield file chunks without deleting."""
-        try:
-            while True:
-                data = opened_file.read(chunk_size)
-                if not data:
-                    break
-                yield data
-        finally:
-            opened_file.close()
-
     def _read_file_chunks_and_delete(self, opened_file: BufferedReader, chunk_size: int = 64 * 1024) -> Iterator[bytes]:
         """Yield file chunks and delete file when finished."""
         while True: