chore(performance): Remove team key transaction feature flags from settings (#27560)

This flag is no longer necessary since the feature is in GA.

src/sentry/conf/server.py

@@ -1008,8 +1008,6 @@ SENTRY_FEATURES = {
     "organizations:sso-scim": False,
     # Enable workaround for migrating IdP instances
     "organizations:sso-migration": False,
-    # Enable team based key transactions for performance
-    "organizations:team-key-transactions": False,
     # Enable transaction comparison view for performance.
     "organizations:transaction-comparison": False,
     # Return unhandled information on the issue level

src/sentry/features/__init__.py

@@ -142,7 +142,6 @@ default_manager.add("organizations:sso-rippling", OrganizationFeature)
 default_manager.add("organizations:sso-saml2", OrganizationFeature)
 default_manager.add("organizations:sso-scim", OrganizationFeature, True)
 default_manager.add("organizations:symbol-sources", OrganizationFeature)
-default_manager.add("organizations:team-key-transactions", OrganizationFeature, True)
 default_manager.add("organizations:transaction-comparison", OrganizationFeature, True)
 default_manager.add("organizations:transaction-events", OrganizationFeature, True)
 default_manager.add("organizations:unhandled-issue-flag", OrganizationFeature)