ref(profiles): Remove dead _ProjectKeyKwargs struct

Became unused in #81957.

Author: mjq

src/sentry/profiles/task.py

@@ -9,7 +9,7 @@
 from datetime import datetime, timezone
 from operator import itemgetter
 from time import time
-from typing import Any, TypedDict
+from typing import Any
 from uuid import UUID
 
 import msgpack
@@ -1095,11 +1095,6 @@ def clean_android_js_profile(profile: Profile) -> None:
     del p["dist"]
 
 
-class _ProjectKeyKwargs(TypedDict):
-    project_id: int
-    use_case: str
-
-
 @metrics.wraps("process_profile.track_outcome")
 def _track_duration_outcome(
     profile: Profile,