Rip out the last remnants of AUR

bin/omarchy-cmd-tzupdate

@@ -1,13 +1,5 @@
 #!/bin/bash
 
-if ! command -v tzupdate &>/dev/null; then
-  if omarchy-pkg-aur-accessible; then
-    yay -S --noconfirm tzupdate
-  else
-    notify-send "Installing tzupdate failed due to AUR being unavailable..."
-  fi
-fi
-
 sudo tzupdate
 new_timezone=$(timedatectl show -p Timezone --value)
 omarchy-restart-waybar