No need for the action as can link direct to /account/plan

frontend/src/routes/_account.index.tsx

@@ -83,9 +83,6 @@ const actionSchema = v.variant("action", [
   v.object({
     action: v.literal("org.matrix.cross_signing_reset"),
   }),
-  v.object({
-    action: v.literal("org.matrix.plan_management"),
-  }),
   v.partial(
     v.looseObject({
       action: v.never(),
@@ -129,10 +126,6 @@ export const Route = createFileRoute("/_account/")({
           to: "/reset-cross-signing",
           search: { deepLink: true },
         });
-      case "org.matrix.plan_management":
-        throw redirect({
-          to: "/plan",
-        });
     }
   },