removed job finished event

Author: bigabig

backend/src/systems/event_system/events.py

@@ -11,6 +11,3 @@
 
 # sends project_id: int, user_id: int
 user_added_to_project = signal("user_added_to_project")
-
-# sends job_type: str, input: JobInputBase, output: BaseModel | None
-job_finished = signal("job_finished")