Remove redundant remarks in README
Remove redundant remarks in README

The setup.py script lists the direct dependencies, and the setup tools
invoked by setup.py recursively check the dependencies.

It is unnecessary to list them in the README; this list has, inevitably,
become obsolete.

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

stratis-storage/stratis-cli,stratis-storage/stratis-cli