Remove ruby-dev from travis config.

diff --git a/.travis.yml b/.travis.yml
index dbc372b695ea37296c6c83456be146f022d071a7..7393c41b426a74974ba20b106ba24e0a3d2f0d7c 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -74,7 +74,6 @@ addons:
       - python3-dev
       - liblua5.2-dev
       - lua5.2
-      - ruby-dev
       - cscope
 
 before_install: