Disable hackage-mirror as it fails to build (#3033)
Disable hackage-mirror as it fails to build (#3033)

spencerjanssen/stackage,Daniel-Diaz/stackage,ethercrow/stackage,int-index/stackage,mrkkrp/stackage,creichert/stackage,asr/stackage,k0ral/stackage,fimad/stackage,massysett/stackage,clinty/stackage,phaazon/stackage,stackbuilders/stackage,mstksg/stackage,simonmichael/stackage,soenkehahn/stackage,fpco/stackage,wereHamster/stackage,mgajda/stackage,iand675/stackage,lwm/stackage,athanclark/stackage,peti/stackage,michalkonecny/stackage,Shimuuar/stackage,jonschoning/stackage,garetxe/stackage