Mention the flurry of Karabiner-Elements input monitoring prompts 🙈

Also: Remove the screenshots in favor of pointing to the official
Karabiner-Elements docs instead.

Author: jasonrudolph

README.md

@@ -181,9 +181,7 @@ This setup is honed and tested with the following dependencies.
 
 2. Enable accessibility to allow Hammerspoon to do its thing [[screenshot]](screenshots/accessibility-permissions-for-hammerspoon.png)
 
-3. You'll be [prompted to allow Karabiner-Elements to load its kernel extension](https://karabiner-elements.pqrs.org/docs/getting-started/installation/#open-karabiner-elements-preferences). Follow the prompts to upgrade your life:
-    1. Click "Open System Preferences" [[screenshot]](https://github.com/jasonrudolph/keyboard/blob/v5.0.0/screenshots/karabiner-elements-system-extension-prompt-1.png)
-    1. Click "Allow" [[screenshot]](https://github.com/jasonrudolph/keyboard/blob/v5.0.0/screenshots/karabiner-elements-system-extension-prompt-2.png)
+3. You'll be [prompted to allow Karabiner-Elements to load its kernel extension](https://karabiner-elements.pqrs.org/docs/getting-started/installation/#open-karabiner-elements-preferences), followed by a [flurry of prompts related to input monitoring](https://karabiner-elements.pqrs.org/docs/getting-started/installation/#grant-input-monitoring-to-karabiner-elements-processes). Follow the prompts to upgrade your life.
 
 ## TODO