remove go 1.9.x from Travis

1.9 is too old and does not support DisallowUnknownFields: `./yaml.go:43:48: undefined: DisallowUnknownFields`
kubernetes-sigs · Nov 3, 2018 · 6867046 · 6867046
1 parent fd68e98
commit 6867046
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,6 @@
 language: go
 dist: xenial
 go:
-  - 1.9.x
   - 1.10.x
   - 1.11.x
 script: