Remove test:travis from Safari tests

Author: dlarocque

.github/workflows/test-changed-firestore.yml

@@ -261,10 +261,7 @@ jobs:
     name: Test Firestore on Safari
     strategy:
       matrix:
-        test-name: ["test:browser", "test:travis", "test:lite:browser", "test:browser:prod:nameddb", "test:lite:browser:nameddb"]
-    # Whatever version of Firefox comes with 22.04 is causing Firefox
-    # startup to hang when launched by karma. Need to look further into
-    # why.
+        test-name: ["test:browser", "test:lite:browser", "test:browser:prod:nameddb", "test:lite:browser:nameddb"]
     runs-on: macos-latest
     needs: build
     if: ${{ needs.build.outputs.changed == 'true'}}