Remove 9 cells from Ireland
Remove 9 cells from Ireland

This is a follow up to 4fa6ddb27747f55a479fe2c6f3397853b0b91191, and reduces
the number of cells in the default cell segment in Ireland. Notify are no
longer using them, so we need fewer.

alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf