1. Ensure that recalibration doesn't cause issues with failing to pause watchdog and clear flags

2. Ensure all credentials are purged on device deletion to avoid security issues

3. Clear calibration state (set to false) on device deletion.

include/bmHTTP.hpp

@@ -7,4 +7,6 @@ extern std::string webToken;
 
 bool httpGET(std::string endpoint, std::string token, cJSON* &JSONresponse);
 
+void deleteWiFiAndTokenDetails();
+
 #endif