remove dead proxy service and sora storage action

backend/internal/server/routes/admin.go

@@ -99,7 +99,6 @@ func registerSoraRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
 		sora.GET("/stats", h.Admin.Sora.GetSystemStats)
 		sora.GET("/users", h.Admin.Sora.ListUserStats)
 		sora.GET("/generations", h.Admin.Sora.ListGenerations)
-		sora.DELETE("/users/:id/storage", h.Admin.Sora.ClearUserStorage)
 	}
 }
 

backend/internal/server/routes/admin_routes_test.go

@@ -36,6 +36,7 @@ func TestRegisterAdminRoutes_OmitsDeprecatedMockEndpoints(t *testing.T) {
 		"GET /api/v1/admin/data-management/agent/health",
 		"GET /api/v1/admin/data-management/config",
 		"POST /api/v1/admin/data-management/backups",
+		"DELETE /api/v1/admin/sora/users/:id/storage",
 	}
 
 	for _, route := range deprecatedRoutes {