Remove Valgrind header import, we need support from the coroutine lib.
Remove Valgrind header import, we need support from the coroutine lib.

Lacra17/stronglink,btrask/stronglink,yamingd/stronglink,yamingd/stronglink,rmoorman/stronglink,Ryezhang/stronglink,shaunstanislaus/stronglink,rmoorman/stronglink,feld/stronglink,feld/stronglink,feld/stronglink,iOSCowboy/stronglink,Ryezhang/stronglink,btrask/stronglink,nkatsaros/stronglink,iOSCowboy/stronglink,guiquanz/stronglink,Lacra17/stronglink,Ryezhang/stronglink,btrask/stronglink,Lacra17/stronglink,btrask/stronglink,nkatsaros/stronglink,shaunstanislaus/stronglink,yamingd/stronglink,guiquanz/stronglink,iOSCowboy/stronglink,nkatsaros/stronglink,shaunstanislaus/stronglink,rmoorman/stronglink,guiquanz/stronglink