m4: Remove now unused ltp-nommu-linux.m4

Signed-off-by: Cyril Hrubis <[email protected]>

Author: metan-ucw

configure.ac

@@ -385,7 +385,6 @@ LTP_CHECK_KERNEL_DEVEL
 LTP_CHECK_KEYUTILS_SUPPORT
 LTP_CHECK_LIBMNL
 LTP_CHECK_LINUXRANDOM
-LTP_CHECK_NOMMU_LINUX
 LTP_CHECK_SELINUX
 LTP_CHECK_SYNC_ADD_AND_FETCH
 LTP_CHECK_SYSCALL_EVENTFD