Merge branch 'ss/travis-ci-force-vm-mode' into maint

The "container" mode of TravisCI is going away.  Our .travis.yml
file is getting prepared for the transition.

* ss/travis-ci-force-vm-mode:
travis-ci: no longer use containers

diff --git a/.travis.yml b/.travis.yml
index 4d4e26c9df519c7d708e779401b5076878af022d..8d2499739eb4bbeb17065aef3fc8af54c9302d0b 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,5 @@
 language: c
 
-sudo: false
-
 cache:
   directories:
     - $HOME/travis-cache