remove unique key

sql/auto_install.sql

@@ -13,6 +13,5 @@ CREATE TABLE `civicrm_intacct_financial_account_data` (
   `dept_id` varchar(20) DEFAULT NULL COMMENT 'Intacct Department ID',
   `location` varchar(50) DEFAULT NULL COMMENT 'Intacct Location',
   `project_id` varchar(20) DEFAULT NULL COMMENT 'Intacct Project ID',
-  PRIMARY KEY (`financial_account_id`),
-  CONSTRAINT UI_intacct_fa_unique UNIQUE (`class_id`,`dept_id`,`location`,`project_id`)
+  PRIMARY KEY (`financial_account_id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;