Add --warn-redundant-casts to mypy checks (commaai#24304)

* add mypy checks for redundant-casts and unused-ignores

* revert unnecessary changes

* ignore

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>

selfdrive/hardware/tici/agnos.py

@@ -16,7 +16,7 @@ class StreamingDecompressor:
   def __init__(self, url: str) -> None:
     self.buf = b""
 
-    self.req = requests.get(url, stream=True, headers={'Accept-Encoding': None})
+    self.req = requests.get(url, stream=True, headers={'Accept-Encoding': None})  # type: ignore
     self.it = self.req.iter_content(chunk_size=1024 * 1024)
     self.decompressor = lzma.LZMADecompressor(format=lzma.FORMAT_AUTO)
     self.eof = False