Remove unneeded travis lines.

Ubuntu 14.04 (trusty) is the current default, so we don't need to specify.

Using the apt addon means we no longer need sudo access.

Signed-off-by: Ralph Giles <[email protected]>

Author: stephengroat

.travis.yml

@@ -1,9 +1,5 @@
 language: c
 
-# We need at least Ubuntu 14.04 for the libopus dependency.
-sudo: required
-dist: trusty
-
 addons:
   apt:
     packages: