docs: update note about other query types

Author: NicholasBoll

docs/cypress-testing-library/intro.md

@@ -27,8 +27,9 @@ and `queryAllBy` commands off the global `cy` object.
 [See the `DOM Testing Library` docs for reference](https://testing-library.com/docs/dom-testing-library/api-queries).
 
 > Note: the `get*` queries are not supported because for reasonable Cypress tests you
-> need retryability and `find*` queries already support that. `query*` queries are not
-> necessary, but supported.
+> need retryability and `find*` queries already support that. `query*` queries are no longer
+> necessary since v5 and will be removed in v6. `find*` fully support built-in Cypress
+> assertions (removes the only use-case for `query*`).
 
 ## With TypeScript
 
@@ -58,9 +59,6 @@ cy.findByLabelText('Label text', {timeout: 7000}).should('exist')
 
 // findAllByText _inside_ a form element
 cy.get('form').findByText('Button Text').should('exist')
-cy.get('form').within(() => {
-  cy.findByText('Button Text').should('exist')
-})
 cy.get('form').then(subject => {
   cy.findByText('Button Text', {container: subject}).should('exist')
 })