Remove flaky intro links test

This e2e test is not very useful to us as it only tests hardcoded link targets.
We should focus on testing user-scenarios in our e2e tests, not single components.
One should instead write a unit-test for the InternalLink component.

Signed-off-by: Erik Michelson <github@erik.michelson.eu>

cypress/integration/link.spec.ts

@@ -1,54 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
- *
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import '../support/index'
-
-describe('Links Intro', () => {
-  beforeEach(() => {
-    cy.visitHome()
-  })
-
-  it('History', () => {
-    cy.getByCypressId('navLinkHistory').click()
-    cy.url().should('include', '/history')
-    cy.getByCypressId('navLinkIntro').click()
-    cy.url().should('include', '/intro')
-  })
-
-  describe('Menu Buttons logged out', () => {
-    beforeEach(() => {
-      cy.logout()
-    })
-
-    it('New guest note', () => {
-      cy.getByCypressId('new-guest-note-button').click()
-      cy.url().should('include', '/new')
-    })
-  })
-
-  describe('Menu Buttons logged in', () => {
-    it('New note', () => {
-      cy.getByCypressId('new-note-button').click()
-      cy.url().should('include', '/new')
-    })
-
-    describe('User Menu', () => {
-      beforeEach(() => {
-        cy.getByCypressId('user-dropdown').click()
-      })
-
-      it('Features', () => {
-        cy.getByCypressId('user-dropdown-features-button').click()
-        cy.url().should('include', '/features')
-      })
-
-      it('Profile', () => {
-        cy.getByCypressId('user-dropdown-profile-button').click()
-        cy.url().should('include', '/profile')
-      })
-    })
-  })
-})