Remove signalr from endpoints (#1102)

This is a follow-on PR from #1100

src/api-service/__app__/timer_workers/__init__.py

@@ -9,7 +9,6 @@ import azure.functions as func
 from onefuzztypes.enums import NodeState, PoolState
 
 from ..onefuzzlib.autoscale import autoscale_pool
-from ..onefuzzlib.events import get_events
 from ..onefuzzlib.orm import process_state_updates
 from ..onefuzzlib.workers.nodes import Node
 from ..onefuzzlib.workers.pools import Pool
@@ -31,7 +30,7 @@ def process_scaleset(scaleset: Scaleset) -> None:
     process_state_updates(scaleset)
 
 
-def main(mytimer: func.TimerRequest, dashboard: func.Out[str]) -> None:  # noqa: F841
+def main(mytimer: func.TimerRequest) -> None:  # noqa: F841
     # NOTE: Update pools first, such that scalesets impacted by pool updates
     # (such as shutdown or resize) happen during this iteration `timer_worker`
     # rather than the following iteration.
@@ -61,7 +60,3 @@ def main(mytimer: func.TimerRequest, dashboard: func.Out[str]) -> None:  # noqa:
     scalesets = Scaleset.search()
     for scaleset in sorted(scalesets, key=lambda x: x.scaleset_id):
         process_scaleset(scaleset)
-
-    events = get_events()
-    if events:
-        dashboard.set(events)

src/api-service/__app__/timer_workers/function.json

@@ -5,12 +5,6 @@
       "name": "mytimer",
       "schedule": "00:01:30",
       "type": "timerTrigger"
-    },
-    {
-      "type": "signalR",
-      "direction": "out",
-      "name": "dashboard",
-      "hubName": "dashboard"
     }
   ],
   "scriptFile": "__init__.py"