Did migration

docs/migration.sql

@@ -1,12 +1 @@
-ALTER TABLE `utilisateurs`
+-- Nothing yet
-    ADD COLUMN `is_email_public` INT NULL DEFAULT 0 AFTER `allow_notif_sound`,
-    ADD COLUMN `location` VARCHAR(45) NULL AFTER `is_email_visible`;
-
-CREATE TABLE `comunic`.`forez_presence` (
-  `id` INT NOT NULL AUTO_INCREMENT,
-  `user_id` INT NULL,
-  `group_id` INT NULL,
-  `year` INT NULL,
-  `month` INT NULL,
-  `day` INT NULL,
-  PRIMARY KEY (`id`));