Revert "Add wrapper for wl_global_remove"

Authored by davidedmundson on Apr 29 2020, 8:58 AM.

Description

Revert "Add wrapper for wl_global_remove"

This reverts commit c557cdba3a736328e341bee3c2fb6b73d2e5e1f8.

Despite being a useful fix for an important crash it forces a dependency on
libwayland 1.8, which some distros don't have.