CRAN version of ggplot2

Author: cpsievert

.travis.yml

@@ -9,7 +9,6 @@ before_install:
 
 install:
   - ./travis-tool.sh install_deps
-  - ./travis-tool.sh install_github hadley/ggplot2
 
 before_script:
   - git config --global user.name "cpsievert"