Fix drill FK test flake by removing unneeded wait for /api/dataset (#42501)

e2e/test/scenarios/models/models-metadata.cy.spec.js

@@ -334,8 +334,6 @@ describe("scenarios > models metadata", () => {
           cy.findByText("68883"); // zip
           cy.findAllByText("Hudson Borer");
           cy.icon("close").click();
-          // FIXME: the problem occurs here
-          cy.wait("@dataset");
         });
 
         cy.go("back"); // navigate away from drilled table