language: go

go:
  - '1.10'
  - '1.11'
  - tip

language: go

go:
  - '1.13'
  - '1.14'
  - tip

Remove old Go versions from Travis.
Remove old Go versions from Travis.

(cherry picked from commit dff2120d96a3baa18c2a73b5fc56fb744ad04665)
