Update travis.yaml

Change-Id: I85c547deb73d513c73271b023cf027e71688308f

Author: Jon Wayne Parrott

.travis.yml

@@ -7,24 +7,8 @@ services:
 branches:
   only:
   - master
-cache:
-  directories:
-  - $HOME/.cache
-env:
-  global:
-  - PATH=${PATH}:${HOME}/gcloud/google-cloud-sdk/bin
-  - GOOGLE_APPLICATION_CREDENTIALS=${TRAVIS_BUILD_DIR}/testing/resources/service-account.json
-  - GOOGLE_CLIENT_SECRETS=${TRAVIS_BUILD_DIR}/testing/resources/client-secrets.json
-  - GAE_ROOT=${HOME}/.cache/
-  - secure: TQ0e6XKeFwVkoqgOJH9f/afyRouUSC6s7LC32C4JS+O2X4sXyXTPXACmzu5wCW0BXPc6HvITMLvkf7g6XXyGlCPkjM8Uw5Vg5F9+cwN1HMlI+gK6bMGTUfrwN5ruFT+KmEnD4F93NY3xkDbZd0fw23d/mVloTc6V0gUsxEUkuhM=
-addons:
-  apt:
-    packages:
-    - portaudio19-dev
 install:
 - pip install --upgrade pip wheel virtualenv
-- pip install nox-automation coverage
+- pip install nox-automation
 script:
-- ./scripts/travis.sh
-after_script:
-- coverage report
+- nox -s lint