chore(perf-issues): Remove unused flag (#92206)

This feature is GA'd now, the flag can be removed.

Author: leeandher

src/sentry/features/temporary.py

@@ -200,8 +200,6 @@ def register_temporary_features(manager: FeatureManager):
     manager.add("organizations:ownership-size-limit-large", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=False)
     # Enable xlarge ownership rule file size limit
     manager.add("organizations:ownership-size-limit-xlarge", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=False)
-    # Enable project admins to enable/disable performance detectors
-    manager.add("organizations:performance-manage-detectors", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=True)
     # Enable mobile performance score calculation for transactions in relay
     manager.add("organizations:performance-calculate-mobile-perf-score-relay", OrganizationFeature, FeatureHandlerStrategy.INTERNAL, api_expose=False)
     # Enable performance change explorer panel on trends page

tests/sentry/api/endpoints/test_project_performance_issue_settings.py

@@ -285,7 +285,6 @@ def test_update_project_setting_invalid_option(self):
         assert response.data == {"detail": "Invalid settings option"}
 
     @with_feature("organizations:performance-view")
-    @with_feature("organizations:performance-manage-detectors")
     def test_project_admins_can_manage_detectors(self):
         self.login_as(user=self.user, superuser=False)
         response = self.get_success_response(
@@ -299,7 +298,6 @@ def test_project_admins_can_manage_detectors(self):
         assert not response.data["n_plus_one_db_queries_detection_enabled"]
 
     @with_feature("organizations:performance-view")
-    @with_feature("organizations:performance-manage-detectors")
     def test_project_members_cannot_manage_detectors(self):
         user = self.create_user("member@localhost")
         self.create_member(