Revert "meson: Make private static library symbols local"
Revert "meson: Make private static library symbols local"

This reverts commit 28d23ba6bda4f799b8d6689555cd33a40adda17e.

The prelinking and symbol filtering pass breaks builds with link-time
optimization enabled.

swaywm/wlroots,SirCmpwn/wlroots,swaywm/wlroots