Do not wait for drone to be disarmed to stop

mavsdk_wrapper.cpp

@@ -153,17 +153,7 @@ int start(const char * ip, int port, const char * log_file, int timeout) {
     return 0;
 }
 
-int stop(bool shutdown) {
-    if (!mavsdk_started)
-        return -1;
-
-    if (shutdown) {
-        while (telemetry->armed())
-            sleep_for(seconds(1));
-        if (doAction(&Action::shutdown, "Shutdown failed"))
-            return -1;
-    }
-
+int stop() {
     // Delete pointers
     delete action;
     delete mavlink_passthrough;