[lightsoff] build: remove extraneous AC_CHECK_LIB

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 0f200f4c3ae66d29c35c843a83d12fb3de98b76e
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Fri Nov 1 20:11:33 2013 -0500

    build: remove extraneous AC_CHECK_LIB
    
    Nowadays we use floor provided by glib

 configure.ac |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 5526480..0e942cb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,8 +23,6 @@ PKG_CHECK_MODULES(LIGHTSOFF, [
   clutter-gtk-1.0 >= $CLUTTER_REQUIRED
 ])
 
-AC_CHECK_LIB([m],[floor])
-
 AC_PATH_PROG(APPDATA_VALIDATE, appdata-validate)
 AC_PATH_PROG(DESKTOP_FILE_VALIDATE, desktop-file-validate)