build-sys: Drop include_prefix

Appears to be unused and a leftover from the udev merge.

diff --git a/configure.ac b/configure.ac
index fcdccb10302aa462eda3a55f7a2c1ecc8d3b340b..b94dbd161327344fe0c7a3726e23457392b279d0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1571,7 +1571,6 @@ AC_MSG_RESULT([
         sysconf dir:             ${sysconfdir}
         datarootdir:             ${datarootdir}
         includedir:              ${includedir}
-        include_prefix:          ${INCLUDE_PREFIX}
         lib dir:                 ${libdir}
         rootlib dir:             ${with_rootlibdir}
         SysV init scripts:       ${SYSTEM_SYSVINIT_PATH}