README: more polishing

* removed last listitem (duplicated content)
* fixed tense in 'branching' section

README.adoc

@@ -21,7 +21,7 @@ Beta documentation versions are available at https://susedoc.github.io/, where a
 
 == Branches
 
-***On Sep 4, 2019, we changed to a new branching model. We switch the default branch from `develop` to `master`.***
+***On Sep 4, 2019, we changed to a new branching model. We have switched the default branch from `develop` to `master`.***
 
 * *Use the master branch* as the basis of your commits/of new feature branches.
 
@@ -106,5 +106,3 @@ sudo /sbin/OneClickInstallUI https://gitlab.nue.suse.com/susedoc/doc-ymp/raw/mas
 ** `$ daps -d DC-<YOUR_BOOK> html`: Build multi-page HTML document
 ** `$ daps -d DC-<YOUR_BOOK> optipng`: Always optimize new PNG images
 ** Learn more at https://opensuse.github.io/daps
-* All commits to maintenance branches and `master` are automatically
-  build and stored at https://susedoc.github.io