hms: Fix unused-variable warning

The particular block was rewritten with commit e5b5972cae when fixing
alarm stuff.  Variables are not reference in that block anymore.

Fixes: e5b5972cae ("0.7.29 * MqTT alarm data was never sent, fixed * REST API: added alarm data * REST API: made get record obsolete * REST API: added power limit acknowledge `/api/inverter/id/[0-x]` #1072")

src/hms/hmsPayload.h

@@ -324,7 +324,6 @@ class HmsPayload {
 
                             if(AlarmData == mPayload[iv->id].txCmd) {
                                 uint8_t i = 0;
-                                uint32_t start, end;
                                 while(1) {
                                     if(0 == iv->parseAlarmLog(i++, payload, payloadLen))
                                         break;