chore(ds): Remove Flag (#75182)

i want the flag to live in `getsentry` instead since we won't be using
the flag here.

src/sentry/features/temporary.py

@@ -83,8 +83,6 @@ def register_temporary_features(manager: FeatureManager):
     # Enable release health widget in dashboards
     manager.add("organizations:dashboards-rh-widget", OrganizationFeature, FeatureHandlerStrategy.REMOTE, api_expose=True)
     manager.add("organizations:dashboards-span-metrics", OrganizationFeature, FeatureHandlerStrategy.OPTIONS, api_expose=False)
-    # Enable data secrecy
-    manager.add("organizations:data-secrecy", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=True)
     # Enable the dev toolbar PoC code for employees
     manager.add("organizations:devtoolbar", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, default=False, api_expose=True)
     # Delightful Developer Metrics (DDM):