remove user from signLockOrder

src/constants/lockOrderTypes.ts

@@ -1,6 +1,5 @@
 export const LOCK_ORDER_TYPES = {
   Order: [
-    { name: 'user', type: 'address' },
     { name: 'sender', type: 'address' },
     { name: 'expiration', type: 'uint64' },
     { name: 'asset', type: 'string' },

src/services/Aggregator/index.ts

@@ -289,7 +289,7 @@ class Aggregator {
       {
         headers,
         method: 'POST',
-        body: JSON.stringify(body), // TODO: add field sign when api updated
+        body: JSON.stringify(body),
       },
       errorSchema,
     );