New review comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/31679#discussion_r663439458

Comment:
Maybe add an install.msg for php-pear saying that Pear has been removed? And make `php-pear` a dumy transitional package for now.

We can't make it depend on `pear` due to cyclic deps, and `pear` can't have a `php-pear` subpackage without a huge list of reverts.