Travis: update brew installation instructions.

The `brew upgrade` is no longer needed as Travis updated the versions in their image.
2016-10-09 11:09:21 +00:00 · 2016-10-09 11:09:21 +00:00 · cd5b5b2d7c
parent e7edc39b34
commit cd5b5b2d7c
1 changed files with 0 additions and 1 deletions
--- a/.travis/install-macos.sh
+++ b/.travis/install-macos.sh
@ -1,5 +1,4 @@
 #!/bin/sh -xe

 brew update
-brew upgrade cmake libpng
 brew install freetype cairo