[SYS] Fix default adjustable setting when not using discovery and boolean init (#1825)

main/ZgatewayBLEConnect.ino

@@ -6,7 +6,6 @@
 #    include "ZgatewayBLEConnect.h"
 #    define convertTemp_CtoF(c) ((c * 1.8) + 32)
 
-extern bool BTProcessLock;
 extern std::vector<BLEdevice*> devices;
 
 NimBLERemoteCharacteristic* zBLEConnect::getCharacteristic(const NimBLEUUID& service,