fix(core): update

ts/smartstream.classes.smartduplex.ts

@@ -17,7 +17,6 @@ export interface IStreamFinalFunction<rT> {
 export interface ISmartDuplexOptions<TInput, TOutput> extends DuplexOptions {
   debug?: boolean;
   name?: string;
-  handleBackpressure?: boolean;
   readFunction?: () => Promise<void>;
   writeFunction?: IStreamWriteFunction<TInput, TOutput>;
   finalFunction?: IStreamFinalFunction<TOutput>;