remove integration tests from tox

tox.ini

@@ -3,7 +3,6 @@ minversion=2.3.1
 envlist =
     py{27,35}-{flake8,pylint,unit}
     py27-{yamllint,ansible_syntax,generate_validation}
-    integration
 skipsdist=True
 skip_missing_interpreters=True
 
@@ -14,7 +13,6 @@ deps =
     -rtest-requirements.txt
     unit: -eutils
     py35-flake8: flake8-bugbear==17.3.0
-    integration: docker-py==1.10.6
 
 commands =
     unit: pytest {posargs}
@@ -23,4 +21,3 @@ commands =
     yamllint: python setup.py yamllint
     generate_validation: python setup.py generate_validation
     ansible_syntax: python setup.py ansible_syntax
-    integration: python -c 'print("run test/integration/run-tests.sh")'