Revert "Do not fail if there are unhandled exceptions"

This reverts commit 5925186.

Author: sergioalvz

cypress/support/index.ts

@@ -18,7 +18,3 @@ import "./commands";
 
 // Alternatively you can use CommonJS syntax:
 // require('./commands')
-
-Cypress.on("uncaught:exception", () => {
-  return false;
-});