fix(zigbee): Set scan to 3 and remove duplicate

Author: P-R-O-C-H-Y

libraries/Zigbee/src/ZigbeeCore.cpp

@@ -20,7 +20,7 @@ ZigbeeCore::ZigbeeCore() {
   _scan_status = ZB_SCAN_FAILED;
   _started = false;
   _connected = false;
-  _scan_duration = 4;  // maximum scan duration
+  _scan_duration = 3;  // default scan duration
   _rx_on_when_idle = true;
   if (!lock) {
     lock = xSemaphoreCreateBinary();

libraries/Zigbee/src/ZigbeeCore.h

@@ -113,7 +113,6 @@ class ZigbeeCore {
   void setHostConfig(esp_zb_host_config_t config);
   esp_zb_host_config_t getHostConfig();
 
-  void setPrimaryChannelMask(uint32_t mask);
   void setPrimaryChannelMask(uint32_t mask);  // By default all channels are scanned (11-26) -> mask 0x07FFF800
   void setScanDuration(uint8_t duration);     // Can be set from 1 - 4. 1 is fastest, 4 is slowest
   uint8_t getScanDuration() {