e2fsprogs: use libblkid / blkid from util-linux

e2fsprogs and util-linux both provide blkid / libblkid causing conflicts
if both are enabled. The preferred upstream (E.G. what is used by Debian)
is util-linux, so remove the options from e2fsprogs and make it use the
util-linux version instead.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>