fix: remove unused code

Author: Kpoke

server/repositories/Legacy/PlanterRepository.js

@@ -6,16 +6,6 @@ class LegacyPlanterRepository extends BaseRepository {
     this._tableName = 'planter';
     this._session = session;
   }
-
-  async findUser(planter_identifier) {
-    return this._session
-      .getDB()
-      .select()
-      .table(this._tableName)
-      .where({ phone: planter_identifier })
-      .orWhere({ email: planter_identifier })
-      .first();
-  }
 }
 
 module.exports = LegacyPlanterRepository;