[glib: 1/2] Remove unused .pc.in files

[Xavier Claessens <xclaesse src gnome org>]

commit 011daafb663024f6c5e01bdf5b09b41d0d604a34
Author: Xavier Claessens <xavier claessens collabora com>
Date:   Wed Jan 16 10:26:53 2019 -0500

    Remove unused .pc.in files
    
    They were used by autotools but Meson doesn't need them.

 gio-2.0.pc.in               | 21 ---------------------
 gio-unix-2.0.pc.in          | 11 -----------
 gio-windows-2.0.pc.in       | 11 -----------
 glib-2.0.pc.in              | 17 -----------------
 gmodule-2.0.pc.in           | 14 --------------
 gmodule-export-2.0.pc.in    | 14 --------------
 gmodule-no-export-2.0.pc.in | 14 --------------
 gobject-2.0.pc.in           | 12 ------------
 gthread-2.0.pc.in           | 11 -----------
 9 files changed, 125 deletions(-)