selftests/rseq: Revert "selftests/rseq: Add mm_numa_cid to test script"

The mm_numa_cid related rseq patches from the series were not picked up
into the tip tree, so enabling the mm_numa_cid test needs to be
reverted.

This reverts commit b344b8f2.

Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/oe-lkp/202301040903.2dd1e25b-oliver.sang@intel.com