(CAT-343) Audit modules and tools for references to travis. Removed all needless references to travis.

Author: GSPatton

README.md

@@ -542,5 +542,3 @@ And run the tests from the root of the source code:
 ```text
 bundle exec rake parallel_spec
 ```
-
-See also `.travis.yml` for information on running the acceptance and other tests.

provision.yaml

@@ -8,22 +8,22 @@ vagrant:
   images:
   - centos/7
   - generic/ubuntu1804
-travis_deb:
+docker_deb:
   provisioner: docker
   images:
   - litmusimage/debian:8
   - litmusimage/debian:9
-travis_ub_6:
+docker_ub_6:
   provisioner: docker
   images:
   - litmusimage/ubuntu:16.04
   - litmusimage/ubuntu:18.04
   - litmusimage/ubuntu:20.04
-travis_el7:
+docker_el7:
   provisioner: docker
   images:
   - litmusimage/centos:7
-travis_el8:
+docker_el8:
   provisioner: docker
   images:
   - litmusimage/centos:8