Just use language specifier.
Just use language specifier.

Build [#37](https://travis-ci.org/winksaville/baremetal-hi/builds/88156137)
passed but in the log it said:

 E: Unable to locate package python3.5
 E: Couldn't find any package by regex 'python3.5'

So here I'm commenting to loading the 2.7 and 3.5 packages and we'll
see what happens.

winksaville/baremetal-hi,winksaville/baremetal-hi