fix: revert RT migration to keycloak

Author: Storce

apps/keycloak.py

@@ -32,13 +32,6 @@ def oidc_client(
 
 
 clients = [
-    oidc_client(
-        "rt",
-        name="rt",
-        description="Request Ticket tracker",
-        home_url="https://rt.ocf.berkeley.edu",
-        redirect_uris=["https://rt.ocf.berkeley.edu/oauth2callback"]
-    ),
     oidc_client(
         "argocd",
         name="ArgoCD",