chore(eco): Cleans up old flag, old logic for Github webhook routing

Author: GabeVillalobos

src/sentry/middleware/integrations/parsers/github.py

@@ -38,14 +38,7 @@ def _get_external_id(self, event: Mapping[str, Any]) -> str | None:
     def should_route_to_control_silo(
         self, parsed_event: Mapping[str, Any], request: HttpRequest
     ) -> bool:
-        if options.get("github.webhook-type-routing.enabled"):
-            return request.META.get(GITHUB_WEBHOOK_TYPE_HEADER) == GithubWebhookType.INSTALLATION
-
-        return bool(
-            parsed_event.get("installation")
-            and not parsed_event.get("issue")
-            and parsed_event.get("action") in {"created", "deleted"}
-        )
+        return request.META.get(GITHUB_WEBHOOK_TYPE_HEADER) == GithubWebhookType.INSTALLATION
 
     @control_silo_function
     def get_integration_from_request(self) -> Integration | None:

src/sentry/options/defaults.py

@@ -3649,14 +3649,6 @@
     flags=FLAG_ALLOW_EMPTY | FLAG_AUTOMATOR_MODIFIABLE,
 )
 
-# Enables or disables Github webhook routing based on the type of webhook
-register(
-    "github.webhook-type-routing.enabled",
-    type=Bool,
-    default=False,
-    flags=FLAG_AUTOMATOR_MODIFIABLE,
-)
-
 # Sets the sample rate for profiles collected via the JoinProfiler arroyo strategy
 register(
     "consumer.join.profiling.rate",