message: Remove new header SDK-Context in outgoing requests, feature breaks sending data to vortex endpoint
diff: @@ -401,7 +401,6 @@ module Microsoft.ApplicationInsights {
  xhr[AjaxMonitor.DisabledPropertyName] = true;
  xhr.open("POST", this._config.endpointUrl(), isAsync);
  xhr.setRequestHeader("Content-type", "application/json");
  - xhr.setRequestHeader(RequestHeaders.sdkContextHeader, RequestHeaders.sdkContextHeaderAppIdRequest);
  xhr.onreadystatechange = () => this._xhrReadyStateChange(xhr, payload, payload.length);
  xhr.onerror = (event: ErrorEvent) => this._onError(payload, this._formatErrorMessageXhr(xhr), event);
  