Revert "shelly tests should pass again with 1.6.3.4 (yesodweb/Shelly.hs#106)"
Revert "shelly tests should pass again with 1.6.3.4 (yesodweb/Shelly.hs#106)"

still seeing "preserve pipe behaviour FAILED" (#701)

This reverts commit 9820307d9a2f6452f8100cf5929ed6568f8707a2.

int-index/stackage,Daniel-Diaz/stackage,peti/stackage,jb55/stackage,fimad/stackage,wereHamster/stackage,olorin/stackage,marcinmrotek/stackage,judah/stackage,DanielG/stackage,bartavelle/stackage,iand675/stackage,ygale/stackage,phaazon/stackage,christiaanb/stackage,jonschoning/stackage,clinty/stackage,ethercrow/stackage,mrkkrp/stackage,cabrera/stackage,mfine/stackage,asr/stackage,lemol/stackage,GregorySchwartz/stackage,codedmart/stackage,Gabriel439/stackage,Shimuuar/stackage,kRITZCREEK/stackage,creichert/stackage,amcphail/stackage,nomeata/stackage,athanclark/stackage,mpickering/stackage,mgajda/stackage,garetxe/stackage,mstksg/stackage,brendanhay/stackage,simonmichael/stackage,phadej/stackage,fpco/stackage,alanz/stackage,jaspervdj/stackage,massysett/stackage,lwm/stackage,stormont/stackage,stackbuilders/stackage,meteficha/stackage,spencerjanssen/stackage,l29ah/stackage,nfjinjing/stackage,k0ral/stackage,agrafix/stackage,liamoc/stackage,soenkehahn/stackage,ivan-m/stackage,michalkonecny/stackage