Remove README.md differences

Test coverage badges can be added at the Project level in GitLab and
don't need to be in the README.

The logo was gigantic, unable to be resized, and unnecessary in the
README.

README.md

 # GitLab
-## Test coverage
-
-- [![Ruby coverage](https://gitlab.com/gitlab-org/gitlab-ce/badges/master/coverage.svg?job=coverage)](https://gitlab-org.gitlab.io/gitlab-ce/coverage-ruby) Ruby
-- [![JavaScript coverage](https://gitlab.com/gitlab-org/gitlab-ce/badges/master/coverage.svg?job=karma)](https://gitlab-org.gitlab.io/gitlab-ce/coverage-javascript) JavaScript
-
 ## Canonical source
 The canonical source of GitLab Community Edition is [hosted on GitLab.com](https://gitlab.com/gitlab-org/gitlab-ce/).
+The source of GitLab Enterprise Edition is [hosted on GitLab.com](https://gitlab.com/gitlab-org/gitlab-ee).
+
+## Free trial
+
+You can request a free trial of GitLab Ultimate [on our website](https://about.gitlab.com/free-trial/).
+
 ## Open source software to collaborate on code
 To see how GitLab looks please see the [features page on our website](https://about.gitlab.com/features/).
@@ -103,7 +104,7 @@ For upgrading information please see our [update page](https://about.gitlab.com/
 ## Documentation
-All documentation can be found on [docs.gitlab.com/ce/](https://docs.gitlab.com/ce/).
+All documentation can be found on <https://docs.gitlab.com>.
 ## Getting help