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
 
-![logo](https://about.gitlab.com/images/logo.png)
-
-## Test coverage
-
-- [![Ruby coverage](https://gitlab.com/gitlab-org/gitlab-ee/badges/master/coverage.svg?job=coverage)](https://gitlab-org.gitlab.io/gitlab-ee/coverage-ruby) Ruby
-- [![JavaScript coverage](https://gitlab.com/gitlab-org/gitlab-ee/badges/master/coverage.svg?job=karma)](https://gitlab-org.gitlab.io/gitlab-ee/coverage-javascript) JavaScript
-
 ## Canonical source
 
 The canonical source of GitLab Community Edition is [hosted on GitLab.com](https://gitlab.com/gitlab-org/gitlab-ce/).
@@ -111,7 +104,7 @@ For upgrading information please see our [update page](https://about.gitlab.com/
 
 ## Documentation
 
-All documentation can be found on [docs.gitlab.com/ee/](https://docs.gitlab.com/ee/).
+All documentation can be found on <https://docs.gitlab.com>.
 
 ## Getting help