build: remove deprecated Travis CI directive

dougwilson · dougwilson · commit f06cdb65ffaf · 2020-03-30T20:21:40.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,7 +7,6 @@ node_js:
   - "8.17"
   - "10.19"
   - "12.16"
-sudo: false
 cache:
   directories:
     - node_modules
