- Removed travis config file.

- Updated reference of travis to Github Actions.

PiperOrigin-RevId: 353675111
Change-Id: Ib1d357252e47acfa6cf03e82109fca6d6bf407da

Author: joejoevictor

.travis.yml

@@ -49,7 +49,7 @@ Python versions < 3.5.
 
 ## Testing
 
-Python Fire uses Travis CI to run tests on each pull request. You can run
+Python Fire uses [Github Actions](https://github.com/google/python-fire/actions) to run tests on each pull request. You can run
 these tests yourself as well. To do this, first install the test dependencies
 listed in setup.py (e.g. pytest, mock, termcolor, and hypothesis).
 Then run the tests by running `pytest` in the root directory of the repository.

CONTRIBUTING.md

@@ -191,7 +191,7 @@ def testHelpTextFunctionWithLongTypes(self):
     self.assertIn('NAME\n    long_type', help_screen)
     self.assertIn('SYNOPSIS\n    long_type LONG_OBJ', help_screen)
     self.assertNotIn('DESCRIPTION', help_screen)
-    # TODO(dbieber): Assert type is displayed correctly. Type displays
+    # TODO(dbieber): Assert type is displayed correctly. Type displayed
     # differently in Travis vs in Google.
     # self.assertIn(
     #     'POSITIONAL ARGUMENTS\n    LONG_OBJ\n'