Merge pull request #1834 from adafruit/TheKitty-patch-4

Update README.md

Author: TheKitty

README.md

@@ -7,9 +7,8 @@ contain a README with a link to their corresponding guide.
 
 ## Testing
 
-The code here is partially [checked by Travis CI][travis] against Pylint (for
-CircuitPython code) or the Arduino compilation process using
-[travis-ci-arduino][travis-ci-arduino].
+The code here is partially checked by GitHub Actions against Pylint (for
+CircuitPython code) or the Arduino compilation process.
 
 Code in directories containing a file called `.circuitpython.skip` will be
 skipped by Pylint checks.
@@ -20,5 +19,4 @@ Code in directories containing a `.[platformname].test` file, such as
 This is a work in progress.
 
 [learn]: https://learn.adafruit.com/
-[travis]: https://travis-ci.com/adafruit/Adafruit_Learning_System_Guides/
-[travis-ci-arduino]: https://github.com/adafruit/travis-ci-arduino/
+