Update instructions on how to free up more space
Update instructions on how to free up more space

mrkkrp/stackage,clinty/stackage,soenkehahn/stackage,iand675/stackage,Daniel-Diaz/stackage,athanclark/stackage,asr/stackage,stackbuilders/stackage,simonmichael/stackage,jonschoning/stackage,michalkonecny/stackage,massysett/stackage,fpco/stackage