Remove Monmouthshire from 5.3.alpha1 upgrade script.

CRM/Upgrade/Incremental/sql/5.3.alpha1.mysql.tpl

@@ -1,18 +1 @@
 {* file to handle db changes in 5.3.alpha1 during upgrade *}
-ALTER TABLE civicrm_custom_group ALTER column is_multiple SET DEFAULT 0;
-UPDATE civicrm_custom_group SET is_multiple = 0 WHERE is_multiple IS NULL;
-ALTER TABLE civicrm_custom_group ALTER column is_active SET DEFAULT 1;
-ALTER TABLE civicrm_custom_field ALTER column is_view SET DEFAULT 0;
-UPDATE civicrm_custom_field SET is_view = 0 WHERE is_view IS NULL;
-ALTER TABLE civicrm_custom_field ALTER column is_required SET DEFAULT 0;
-UPDATE civicrm_custom_field SET is_required = 0 WHERE is_required IS NULL;
-ALTER TABLE civicrm_custom_field ALTER column is_searchable SET DEFAULT 0;
-UPDATE civicrm_custom_field SET is_searchable = 0 WHERE is_required IS NULL;
-ALTER TABLE civicrm_custom_field ALTER column is_active SET DEFAULT 1;
-
-SET @UKCountryId = (SELECT id FROM civicrm_country cc WHERE cc.name = 'United Kingdom');
-INSERT IGNORE INTO civicrm_state_province (country_id, abbreviation, name)
-VALUES (@UKCountryId, 'MON', 'Monmouthshire');
-
-{* dev/core/#152 *}
-UPDATE `civicrm_custom_field` set `html_type` = "Multi-Select" WHERE `html_type` = "AdvMulti-Select";