Remove per-spec uncaught-exception swallowing in Cypress E2E tests

Co-Authored-By: Codex <codex@openai.com>

cypress/e2e/discoverTabs.cy.js

@@ -8,8 +8,6 @@ import { loginWithFixtures } from "../support/intercept";
 describe("Discover Tab Navigation", () => {
   beforeEach(() => {
     loginWithFixtures();
-    // Suppress Cytoscape rendering errors in headless mode
-    cy.on("uncaught:exception", () => false);
   });
 
   describe("navigating from Map page", () => {