ci(kitchen+travis): remove `master-py2-arch-base-latest` [skip ci]

* Automated using https://github.com/myii/ssf-formula/pull/167

kitchen.yml

@@ -35,10 +35,6 @@ platforms:
   - name: amazonlinux-2-master-py3
     driver:
       image: netmanagers/salt-master-py3:amazonlinux-2
-  - name: arch-base-latest-master-py2
-    driver:
-      image: netmanagers/salt-master-py2:arch-base-latest
-      run_command: /usr/lib/systemd/systemd
 
   ## SALT `2019.2`
   - name: debian-10-2019-2-py3