ci(kitchen+gitlab): remove Ubuntu 16.04 & Fedora 32 (EOL) [skip ci]

* Automated using https://github.com/myii/ssf-formula/pull/331

.gitlab-ci.yml

 # repositories-debian-9-tiamat-py3: {extends: '.test_instance'}
 # repositories-ubuntu-2004-tiamat-py3: {extends: '.test_instance'}
 # repositories-ubuntu-1804-tiamat-py3: {extends: '.test_instance'}
-# repositories-ubuntu-1604-tiamat-py3: {extends: '.test_instance'}
 # repositories-debian-10-master-py3: {extends: '.test_instance'}
 # preferences-debian-10-master-py3: {extends: '.test_instance'}
 # unattended-debian-10-master-py3: {extends: '.test_instance'}
 # preferences-ubuntu-1804-master-py3: {extends: '.test_instance'}
 # unattended-ubuntu-1804-master-py3: {extends: '.test_instance'}
 ubuntu-1804-master-py3: {extends: '.test_instance'}
-# repositories-ubuntu-1604-master-py3: {extends: '.test_instance'}
-# preferences-ubuntu-1604-master-py3: {extends: '.test_instance'}
-# unattended-ubuntu-1604-master-py3: {extends: '.test_instance'}
-ubuntu-1604-master-py3: {extends: '.test_instance'}
 # repositories-debian-10-3003-0-py3: {extends: '.test_instance'}
 # repositories-debian-9-3003-0-py3: {extends: '.test_instance'}
 # repositories-ubuntu-2004-3003-0-py3: {extends: '.test_instance'}
 # repositories-debian-9-3002-6-py3: {extends: '.test_instance'}
 # repositories-ubuntu-2004-3002-6-py3: {extends: '.test_instance'}
 # repositories-ubuntu-1804-3002-6-py3: {extends: '.test_instance'}
-# repositories-ubuntu-1604-3002-6-py3: {extends: '.test_instance'}
 # repositories-debian-10-3001-7-py3: {extends: '.test_instance'}
 # repositories-debian-9-3001-7-py3: {extends: '.test_instance'}
 # repositories-ubuntu-2004-3001-7-py3: {extends: '.test_instance'}
 # repositories-ubuntu-1804-3001-7-py3: {extends: '.test_instance'}
-# repositories-ubuntu-1604-3001-7-py3: {extends: '.test_instance'}
 # repositories-debian-10-3000-9-py3: {extends: '.test_instance'}
 # repositories-debian-9-3000-9-py3: {extends: '.test_instance'}
 # repositories-ubuntu-1804-3000-9-py3: {extends: '.test_instance'}
-# repositories-ubuntu-1604-3000-9-py3: {extends: '.test_instance'}
 # repositories-ubuntu-1804-3000-9-py2: {extends: '.test_instance'}
-# repositories-ubuntu-1604-3000-9-py2: {extends: '.test_instance'}
 
 ###############################################################################
 # `release` stage: `semantic-release`

.travis.yml

     # - env: INSTANCE=repositories-debian-9-tiamat-py3
     # - env: INSTANCE=repositories-ubuntu-2004-tiamat-py3
     # - env: INSTANCE=repositories-ubuntu-1804-tiamat-py3
-    # - env: INSTANCE=repositories-ubuntu-1604-tiamat-py3
     # - env: INSTANCE=repositories-debian-10-master-py3
     # - env: INSTANCE=preferences-debian-10-master-py3
     # - env: INSTANCE=unattended-debian-10-master-py3
     # - env: INSTANCE=preferences-ubuntu-1804-master-py3
     # - env: INSTANCE=unattended-ubuntu-1804-master-py3
     - env: INSTANCE=ubuntu-1804-master-py3
-    # - env: INSTANCE=repositories-ubuntu-1604-master-py3
-    # - env: INSTANCE=preferences-ubuntu-1604-master-py3
-    # - env: INSTANCE=unattended-ubuntu-1604-master-py3
-    - env: INSTANCE=ubuntu-1604-master-py3
     # - env: INSTANCE=repositories-debian-10-3003-0-py3
     # - env: INSTANCE=repositories-debian-9-3003-0-py3
     # - env: INSTANCE=repositories-ubuntu-2004-3003-0-py3
     # - env: INSTANCE=repositories-debian-9-3002-6-py3
     # - env: INSTANCE=repositories-ubuntu-2004-3002-6-py3
     # - env: INSTANCE=repositories-ubuntu-1804-3002-6-py3
-    # - env: INSTANCE=repositories-ubuntu-1604-3002-6-py3
     # - env: INSTANCE=repositories-debian-10-3001-7-py3
     # - env: INSTANCE=repositories-debian-9-3001-7-py3
     # - env: INSTANCE=repositories-ubuntu-2004-3001-7-py3
     # - env: INSTANCE=repositories-ubuntu-1804-3001-7-py3
-    # - env: INSTANCE=repositories-ubuntu-1604-3001-7-py3
     # - env: INSTANCE=repositories-debian-10-3000-9-py3
     # - env: INSTANCE=repositories-debian-9-3000-9-py3
     # - env: INSTANCE=repositories-ubuntu-1804-3000-9-py3
-    # - env: INSTANCE=repositories-ubuntu-1604-3000-9-py3
     # - env: INSTANCE=repositories-ubuntu-1804-3000-9-py2
-    # - env: INSTANCE=repositories-ubuntu-1604-3000-9-py2
 
     ## Define the release stage that runs `semantic-release`
     - stage: 'release'

kitchen.yml

   - name: ubuntu-1804-tiamat-py3
     driver:
       image: saltimages/salt-tiamat-py3:ubuntu-18.04
-  - name: ubuntu-1604-tiamat-py3
-    driver:
-      image: saltimages/salt-tiamat-py3:ubuntu-16.04
 
   ## SALT `master`
   - name: debian-10-master-py3
   - name: ubuntu-1804-master-py3
     driver:
       image: saltimages/salt-master-py3:ubuntu-18.04
-  - name: ubuntu-1604-master-py3
-    driver:
-      image: saltimages/salt-master-py3:ubuntu-16.04
 
   ## SALT `3003.0`
   - name: debian-10-3003-0-py3
   - name: ubuntu-1804-3002-6-py3
     driver:
       image: saltimages/salt-3002.6-py3:ubuntu-18.04
-  - name: ubuntu-1604-3002-6-py3
-    driver:
-      image: saltimages/salt-3002.6-py3:ubuntu-16.04
 
   ## SALT `3001.7`
   - name: debian-10-3001-7-py3
   - name: ubuntu-1804-3001-7-py3
     driver:
       image: saltimages/salt-3001.7-py3:ubuntu-18.04
-  - name: ubuntu-1604-3001-7-py3
-    driver:
-      image: saltimages/salt-3001.7-py3:ubuntu-16.04
 
   ## SALT `3000.9`
   - name: debian-10-3000-9-py3
   - name: ubuntu-1804-3000-9-py3
     driver:
       image: saltimages/salt-3000.9-py3:ubuntu-18.04
-  - name: ubuntu-1604-3000-9-py3
-    driver:
-      image: saltimages/salt-3000.9-py3:ubuntu-16.04
   - name: ubuntu-1804-3000-9-py2
     driver:
       image: saltimages/salt-3000.9-py2:ubuntu-18.04
-  - name: ubuntu-1604-3000-9-py2
-    driver:
-      image: saltimages/salt-3000.9-py2:ubuntu-16.04
 
 provisioner:
   name: salt_solo