Revert "feat: Add bbrew to the motd (#2905) (#3042)"

This reverts commit 1ae9770.

Author: castrojo

system_files/shared/usr/share/ublue-os/motd/template.md

@@ -7,7 +7,7 @@
 | `ujust --choose`  | Show available commands  |
 | `ujust toggle-user-motd` | Toggle this banner on/off | 
 | `ujust bluefin-cli` | Enable terminal bling | 
-| `brew help` or `bbrew` | Manage command line packages | 
+| `brew help` | Manage command line packages | 
 
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