[gnome-flashback] remove JHBuild modulesets

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 5f4052fb2a5df1ddadbb44756c1cadbbd6d096f0
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Jan 22 20:05:08 2020 +0200

    remove JHBuild modulesets
    
    https://gitlab.gnome.org/GNOME/jhbuild/commit/c7a333cf178362888e6a

 Makefile.am                               |   4 -
 modulesets/gnome-flashback-latest.modules | 157 ------------------------------
 2 files changed, 161 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 8d1606a..35cbb48 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -33,10 +33,6 @@ MAINTAINERCLEANFILES = \
        $(srcdir)/po/stamp-po \
        $(NULL)
 
-EXTRA_DIST = \
-       $(wildcard $(top_srcdir)/modulesets/*.modules) \
-       $(NULL)
-
 GITIGNOREFILES = $(PACKAGE)-\*.tar.{gz,bz2,xz}
 
 -include $(top_srcdir)/git.mk