Housekeeping on .travis.yml; remove old code comments

.travis.yml

@@ -12,11 +12,7 @@ addons:
 before_install:
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start
-#  Config to run docker tests - doesn't work so far
-#  - sudo apt-get update
-#  - sudo apt-get upgrade lxc-docker
   - echo 'DOCKER_OPTS="-H tcp://127.0.0.1:2376 -H unix:///var/run/docker.sock --iptables=false"' | sudo tee /etc/default/docker > /dev/null
-#  - export DOCKER_HOST=tcp://192.168.23.75:2375
   - sudo service docker restart
   - sleep 5
   - docker pull openhpi/co_execenv_python
@@ -38,7 +34,3 @@ rvm:
 - 2.3.6
   
 script: bundle exec rspec --color --format documentation --require spec_helper --require rails_helper && bundle exec codeclimate-test-reporter
-# one of the solutions I've found
-#  - sudo docker run --rm=true -v `pwd`:/ansible-apache:rw weldpua2008/docker-ansible:${OS_TYPE}${OS_VERSION}_v${ANSIBLE_VERSION} /bin/bash -c "/ansible-apache/tests/test-in-docker-image.sh ${OS_TYPE} ${OS_VERSION} ${ANSIBLE_VERSION}"
-
-