[ci] Fix .travis.yml errors

talha-p · talha-p · commit e918b540c4de · 2019-12-05T18:17:41.000Z
The following errors arose when using https://config.travis-ci.com/explore: [warn] on root: deprecated key: "sudo" (The key `sudo` has no effect anymore.)
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,5 @@
 # .travis.yml
 language: python
-sudo: true
 env:
   - LUA="lua=5.1.5"
 before_install:
