Remove fsConfigFromFile (#1038590)
Remove fsConfigFromFile (#1038590)

Related: rhbz#1038590

It is unused and made more obsolete by the previous changes.

Signed-off-by: mulhern <7b51bcf507bcd7afb72bf8663752c0ddbeb517f6@redhat.com>

vojtechtrefny/blivet,dwlehman/blivet,vojtechtrefny/blivet,jkonecny12/blivet,jkonecny12/blivet,rhinstaller/blivet,vpodzime/blivet,AdamWill/blivet,AdamWill/blivet,vpodzime/blivet,rvykydal/blivet,rhinstaller/blivet,rvykydal/blivet,dwlehman/blivet