Remove outdated docs for buttons, dropdowns, and forms

Author: Austin Green

packages/buttons/README.md

@@ -22,20 +22,19 @@ npm install react react-dom prop-types styled-components @zendeskgarden/react-th
  */
 import '@zendeskgarden/react-buttons/dist/styles.css';
 
-import { Fragment } from 'react';
 import { ThemeProvider } from '@zendeskgarden/react-theming';
 import { Button } from '@zendeskgarden/react-buttons';
 
 /**
  * Place a `ThemeProvider` at the root of your React application
  */
 <ThemeProvider>
-  <Fragment>
+  <>
     <Button onClick={() => alert('clicked')}>Default</Button>
     <Button primary disabled>
       Disabled Primary button
     </Button>
-  </Fragement>
+  </>
 </ThemeProvider>;
 ```
 

packages/dropdowns/README.md

@@ -9,21 +9,9 @@ This package includes components relating to dropdowns in the
 npm install @zendeskgarden/react-dropdowns
 
 # Peer Dependencies - Also Required
-npm install react react-dom prop-types styled-components@3.4.10 @zendeskgarden/react-theming
+npm install react react-dom prop-types styled-components @zendeskgarden/react-theming
 ```
 
-## Requirements
-
-This package uses several modern React features like [Context](https://reactjs.org/docs/context.html)
-and [Hooks](https://reactjs.org/docs/hooks-intro.html) to provide an enhanced component API.
-
-These features require the following minimum versions of the dependencies:
-
-- `react@^16.8.0`
-- `react-dom@^16.8.0`
-- `styled-components@^3.4.0`
-  - `v4` will become available once all other packages are migrated
-
 ## Basic Example
 
 ```jsx static

packages/forms/README.md

@@ -9,20 +9,9 @@ This package includes components relating to native form fields in the
 npm install @zendeskgarden/react-forms
 
 # Peer Dependencies - Also Required
-npm install react react-dom prop-types styled-components@3.4.10 @zendeskgarden/react-theming
+npm install react react-dom prop-types styled-components @zendeskgarden/react-theming
 ```
 
-## Requirements
-
-This package uses several modern React features like [Context](https://reactjs.org/docs/context.html)
-and [Hooks](https://reactjs.org/docs/hooks-intro.html) to provide an enhanced component API.
-
-These features require the following minimum versions of the dependencies:
-
-- `react@^16.8.0`
-- `react-dom@^16.8.0`
-- `styled-components@^4.2.0`
-
 ## Usage
 
 ```jsx static