Remove Azure and Travis scripts

Author: nicoddemus

.travis.yml

@@ -2,7 +2,6 @@
 isolated_build = True
 minversion = 3.5.3
 distshare = {homedir}/.tox/distshare
-# make sure to update environment list in travis.yml and appveyor.yml
 envlist =
     linting
     py35
@@ -22,7 +21,7 @@ commands =
     {env:_PYTEST_TOX_COVERAGE_RUN:} pytest {posargs:{env:_PYTEST_TOX_DEFAULT_POSARGS:}}
     coverage: coverage combine
     coverage: coverage report -m
-passenv = USER USERNAME COVERAGE_* TRAVIS PYTEST_ADDOPTS TERM
+passenv = USER USERNAME COVERAGE_* PYTEST_ADDOPTS TERM
 setenv =
     _PYTEST_TOX_DEFAULT_POSARGS={env:_PYTEST_TOX_POSARGS_LSOF:} {env:_PYTEST_TOX_POSARGS_XDIST:}
 
@@ -158,7 +157,7 @@ filterwarnings =
     default:Using or importing the ABCs:DeprecationWarning:unittest2.*
     default:the imp module is deprecated in favour of importlib:DeprecationWarning:nose.*
     ignore:Module already imported so cannot be rewritten:pytest.PytestWarning
-    # produced by python3.6/site.py itself (3.6.7 on Travis, could not trigger it with 3.6.8).
+    # produced by python3.6/site.py itself
     ignore:.*U.*mode is deprecated:DeprecationWarning:(?!(pytest|_pytest))
     # produced by pytest-xdist
     ignore:.*type argument to addoption.*:DeprecationWarning