docs: remove dead link on website (closes #5134)

docs/Introduction.md

@@ -77,7 +77,7 @@ Before building my own app, I looked around at similar apps. However, none was c
 | Built-in `⌘ command` + `⇥ tab`                                                              | Only shows apps, not windows (note: can press down to see window of selected app)                            |
 | Built-in `⌘ command` + `` ` ``                                                              | Cycles through tabs and windows, but only of the same app. Only cycling, no direct access                    |
 
-There are also related apps which don’t really overlap in functionality, but target similar needs: [Swish](https://highlyopinionated.co/swish/), [Hookshot](https://hookshot.app/), [Magnet](https://magnet.crowdcafe.com/), [Spectacle](https://www.spectacleapp.com/), [Rectangle](https://github.com/rxhanson/Rectangle), [yabai](https://github.com/koekeishiya/yabai), [LayAuto](https://layautoapp.com/), [OptimalLayout](http://most-advantageous.com/optimal-layout/), [BetterTouchTool](https://folivora.ai/), [BetterSnapTool](https://folivora.ai/bettersnaptool), [Moom](https://manytricks.com/moom/), [uBar](https://brawersoftware.com/products/ubar).
+There are also related apps which don’t really overlap in functionality, but target similar needs: [Swish](https://highlyopinionated.co/swish/), [Hookshot](https://hookshot.app/), [Magnet](https://magnet.crowdcafe.com/), [Spectacle](https://www.spectacleapp.com/), [Rectangle](https://github.com/rxhanson/Rectangle), [yabai](https://github.com/koekeishiya/yabai), [LayAuto](https://layautoapp.com/), [BetterTouchTool](https://folivora.ai/), [BetterSnapTool](https://folivora.ai/bettersnaptool), [Moom](https://manytricks.com/moom/), [uBar](https://brawersoftware.com/products/ubar).
 
 ## License