Revert "Initial links for Docker Hub rename"

This reverts commit 2819677c215bd409b4ce4da51f0ddfb303760796.

Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)
Merge pull request #6223 from jamtur01/rl

Revert "Initial links for Docker Hub rename"
Initial copy edits to home page.

Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: fredlf)

Docker-DCO-1.1-Signed-off-by: Fred Lifton <fred.lifton@docker.com> (github: SvenDowideit)
reflow to 80 columns

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)