[gnome-builder] build: drop tools makefile

[Christian Hergert <chergert src gnome org>]

commit 9f50a0b019e48d549df45451522e1929427ab7bb
Author: Christian Hergert <christian hergert me>
Date:   Thu Dec 24 14:01:52 2015 -0800

    build: drop tools makefile
    
    These need to be ported to plugins/IdeApplication

 configure.ac |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index de99dd2..4e34c1b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -446,8 +446,6 @@ AC_CONFIG_FILES([
        src/Makefile
 
        tests/Makefile
-
-       tools/Makefile
 ])
 AC_OUTPUT