Cleanup ignored_list_T110.txt

This commit removes "ignored_list_T110.txt". The last entry was
already moved to tempest.lib[0]. So we can remove this file finally.

[0] Ia9aeab78e530c798dfa7b7d6f71e4b3ea3a84b7f

Change-Id: Icfa511c2874da7135d8971471d95892dfbf07882
1 file changed