Revert "Parallel filter in orderer - possibly not useful"
Revert "Parallel filter in orderer - possibly not useful"

Added and reverted the commit just to preserve the code change
without having any effect

This reverts commit 57c3d780ebebef5327c053ff2077537003a66b1e.

Change-Id: Iaf5babf2f171074f8d9d2c510bcf26531eb818e9

thakkarparth007/fabric,thakkarparth007/fabric,thakkarparth007/fabric,thakkarparth007/fabric,thakkarparth007/fabric,thakkarparth007/fabric,thakkarparth007/fabric