[Tests] Drop deprecated `sudo:` option in TravisCI config

That config was deprecated for a while, reference: - https://blog.travis-ci.com/2018-10-04-combining-linux-infrastructures
4 years ago · 4436638816
1 changed files with 0 additions and 1 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -1,6 +1,5 @@
				@@ -1,6 +1,5 @@
 language: generic
 dist: xenial
-sudo: required
 addons:
  apt:
    packages: