Addressing review comments from Boris

src/app/clusters/water-heater-management-server/water-heater-management-server.h

@@ -69,8 +69,8 @@ class Delegate
      */
     virtual Protocols::InteractionModel::Status HandleBoost(uint32_t duration, Optional<bool> oneShot,
                                                             Optional<bool> emergencyBoost, Optional<int16_t> temporarySetpoint,
-                                                            Optional<chip::Percent> targetPercentage,
-                                                            Optional<chip::Percent> targetReheat) = 0;
+                                                            Optional<Percent> targetPercentage,
+                                                            Optional<Percent> targetReheat) = 0;
 
     /**
      * @brief Delegate should implement a handler to cancel a boost command.