New review comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/48995#discussion_r1507599068

Comment:
With this change, `gtk-update-icon-cache` is not needed.
```suggestion
pre_configure() {
	ln -sf /bin/false "${XBPS_WRAPPERDIR}/gtk-update-icon-cache"
```