Revert Linux LFS patch

Author: edinkad

configure.in

@@ -220,13 +220,6 @@ case $host_alias in
     LIBS="$LIBS -lbe -lroot";;
 *mips*)
     CPPFLAGS="$CPPFLAGS -D_XPG_IV";;
-*linux*)
-    AC_MSG_CHECKING([for Linux LFS_CFLAGS])
-    LFS_LINUX_CFLAGS=`getconf LFS_CFLAGS`
-    if test "x$LFS_LINUX_CFLAGS" != "x"; then
-        CFLAGS="$CFLAGS $LFS_LINUX_CFLAGS"
-    fi
-    AC_MSG_RESULT([$LFS_LINUX_CFLAGS])
 esac