site: Update docs on running macOS minikube-gui

site/content/en/docs/tutorials/setup_minikube_gui.md

@@ -24,11 +24,12 @@ date: 2022-02-25
 
 2. Open the dmg and copy minikube-gui to your Applications folder
 
-3. **Important!** On first time use only, control + click minikube-gui and select `Open`, you will see the following, select `Open`
+3. Run this command to allow running the unsigned application:
+```shell
+xattr -d com.apple.quarantine /Applications/minikube-gui.app
+```
 
-![Mac unverified developer](/images/gui/mac.png)
-
-If you don't see the `Open` option you likely didn't control + click minikube-gui, this is required for the first time only
+4. Run the application
 {{% /mactab %}}
 {{% windowstab %}}
 1. [Download minikube-gui](https://github.com/kubernetes-sigs/minikube-gui/releases/latest/download/minikube-gui-windows.zip)