[planner: 1/61] Drop unused UI files

[Mart Raudsepp <mraudsepp src gnome org>]

commit c0b282cb28263eaa11e1f3815c3a899eac0efc8f
Author: Mart Raudsepp <leio gentoo org>
Date:   Wed Mar 4 23:15:49 2020 +0200

    Drop unused UI files
    
    These don't appear used since before initial code import in 2003

 data/ui/bugzilla-plugin.ui       | 10 ----------
 data/ui/cost-plugin.ui           | 21 ---------------------
 data/ui/resource-limit-plugin.ui | 19 -------------------
 po/POTFILES.skip                 |  4 ----
 4 files changed, 54 deletions(-)
---
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 8fc7d7b3..f932ceea 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -1,9 +1,5 @@
 data/glade/mpp-bugzilla.glade
 
-data/ui/bugzilla-plugin.ui
-data/ui/cost-plugin.ui
-data/ui/resource-limit-plugin.ui
-
 eds-backend/e-cal-backend-planner.c
 eds-backend/planner-source/planner-source.c