message: Remove deprecated category from ITelemetryErrorEvent
diff: @@ -47,12 +47,9 @@ export interface ITelemetryGenericEvent extends ITelemetryProperties {
  * Error telemetry event.
  * Maps to category = "error"
  */
  -export type ITelemetryErrorEvent = Omit<ITelemetryGenericEvent, "category"> & {
  - /**
  - * @deprecated - category will always be error
  - */
  - category?: TelemetryEventCategory;
  -};
  + export interface ITelemetryErrorEvent extends ITelemetryProperties {
  + eventName: string;
  +}
  /**
  * Performance telemetry event.
  