Use TRAVIS_GO_VERSION env var instead of matrix
Use TRAVIS_GO_VERSION env var instead of matrix

This should save a CI run (one with GOLINT and one without).

Signed-off-by: Brian Goff <dc73d0991b982a8303e713ef531a313af77e242a@gmail.com>
(cherry picked from commit d3f925523e120fb4cd2a17c7b1cf8377d36ac1cb)
Signed-off-by: Brian Goff <dc73d0991b982a8303e713ef531a313af77e242a@gmail.com>

cpuguy83/go-md2man,cpuguy83/go-md2man