[notroj/neon] fd09cc: Add focal builds, remove redundant compiler: lines.

[Joe Orton]

  Branch: refs/heads/master
  Home:   https://github.com/notroj/neon
  Commit: fd09cc9b57c43c93acfeed5e861df0e078ea7d70
      https://github.com/notroj/neon/commit/fd09cc9b57c43c93acfeed5e861df0e078ea7d70
  Author: Joe Orton <joe at manyfish.uk>
  Date:   2020-12-06 (Sun, 06 Dec 2020)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Add focal builds, remove redundant compiler: lines.