Fix migration

Signed-off-by: Arthur DANJOU <arthurdanjou@outlook.fr>

database/migrations/1625146912533_guestbook_messages.ts

@@ -11,7 +11,7 @@ export default class GuestbookMessages extends BaseSchema {
         .unsigned()
         .references('users.id')
         .onDelete('CASCADE')
-      table.string('message')
+      table.text('message')
       table.timestamps(true, true)
     })
   }

database/migrations/1625330080117_guestbook_messages.ts

@@ -1,17 +0,0 @@
-import BaseSchema from '@ioc:Adonis/Lucid/Schema'
-
-export default class GuestbookMessages extends BaseSchema {
-  protected tableName = 'guestbook_messages'
-
-  public async up() {
-    await this.schema.table(this.tableName, (table) => {
-      table.text('message')
-    })
-  }
-
-  public async down() {
-    await this.schema.table(this.tableName, (table) => {
-      table.dropColumn('message')
-    })
-  }
-}