[gnome-builder] build: remove unused file

[Christian Hergert <chergert src gnome org>]

commit 5b5537f1db6e55653daa1c0a04b2bc92d5c07dd0
Author: Christian Hergert <chergert redhat com>
Date:   Wed Mar 8 23:35:05 2017 -0800

    build: remove unused file

 build/autotools/Makefile.am |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/build/autotools/Makefile.am b/build/autotools/Makefile.am
index de293f0..3662269 100644
--- a/build/autotools/Makefile.am
+++ b/build/autotools/Makefile.am
@@ -16,7 +16,6 @@ EXTRA_DIST =                                         \
        pkg.m4                                       \
        vala.m4                                      \
        vapigen.m4                                   \
-       yelp.m4                                      \
        tap-test                                     \
        $(NULL)