Switch to pacman to make it clear when we are not depending on AUR

migrations/1752897642.sh

@@ -1,4 +1,4 @@
 echo "Remove needless fcitx5-configtool package"
-if yay -Qe fcitx5-configtool &>/dev/null; then
+if pacman -Qe fcitx5-configtool &>/dev/null; then
   yay -Rns --noconfirm fcitx5-configtool
 fi