Run tests only on main branch. (flutter#4645)

godofredoc · web-flow · commit 5899fe568b6d · 2022-01-10T12:30:22.000-08:00
diff --git a/.ci.yaml b/.ci.yaml
@@ -7,7 +7,6 @@
 #  * https://github.com/flutter/cocoon/blob/main/CI_YAML.md
 enabled_branches:
   - main
-  - master
 
 platform_properties:
   linux:
