http2: remove unnecessary bind from setImmediate

Author: apapirovski

lib/internal/http2/core.js

@@ -2152,12 +2152,16 @@ class Http2Stream extends Duplex {
  // By using setImmediate we allow pushStreams to make it through
  // before the stream is officially closed. This prevents a bug
  // in most browsers where those pushStreams would be rejected.
- setImmediate(this.close.bind(this));
+ setImmediate(callStreamClose, this);
  }
  }
  }
 }
 
+function callStreamClose(stream) {
+ stream.close();
+}
+
 function processHeaders(oldHeaders) {
  assertIsObject(oldHeaders, 'headers');
  const headers = ObjectCreate(null);