[gnome-builder] build: remove fallback from plugins/

[Christian Hergert <chergert src gnome org>]

commit 31815902e1dacbbc8e99c8c2b2e31a3f2cd74827
Author: Christian Hergert <christian hergert me>
Date:   Fri Nov 20 02:17:58 2015 -0800

    build: remove fallback from plugins/

 configure.ac |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a414c52..43b13be 100644
--- a/configure.ac
+++ b/configure.ac
@@ -426,7 +426,6 @@ AC_CONFIG_FILES([
        libide/Makefile
 
        plugins/Makefile
-       plugins/fallback/Makefile
 
        data/Makefile
        data/fonts/Makefile