Changes for upcoming Travis' infra migration

See: https://blog.travis-ci.com/2018-11-19-required-linux-infrastructure-migration

diff --git a/.travis.yml b/.travis.yml
index 160f70212075492fd5eb560e00c5c4433ae1075f..e5249693a928a473030b1d1fe0a408980880bb5a 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,4 @@
 language: cpp
-# faster container-based travis
-sudo: false
 
 compiler:
  - gcc