[libgames-support] configure.ac: don't use AC_CONFIG_SRCDIR

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 9e14caaeedcfc3c1ff8e5e5e3437edfe63a26d06
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Jun 27 19:50:38 2015 -0500

    configure.ac: don't use AC_CONFIG_SRCDIR
    
    It takes one extra line and is only useful to create an inscruitable
    error message. Worthless.

 configure.ac |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ba5410b..9b3d556 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,6 @@ AC_SUBST([LIBGAMES_SUPPORT_LT_VERSION])
 
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
-AC_CONFIG_SRCDIR([scores/context.vala])
 
 AM_INIT_AUTOMAKE([1.11 no-dist-gzip dist-xz foreign subdir-objects])
 AM_SILENT_RULES([yes])