travis: run qt4 tests against old xcode

diff --git a/.travis.yml b/.travis.yml
index 590e89f937a82938d8c00fd7c9dc211706df3d45..4e73dbbe07cd3573a372c4c2052714b8eb393425 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -58,7 +58,6 @@ matrix:
               apt:
                   packages: *q5dep
         - os: osx
-          osx_image: xcode7.3
           compiler: clang
           before_install: _travis/osx-install-dependencies
         - os: osx