Merge pull request #999 from alex/remove-out-of-date-comment

Removed out of date comment
diff --git a/.travis.yml b/.travis.yml
index b6fd6bd..f4c4047 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,9 +39,6 @@
         use_notice: true
         skip_join: true
 
-# When building an exclude matrix on Travis you must supply the exact variable
-# combinations you want to exclude from your build matrix. There is no
-# (current) way to make this less verbose.
 matrix:
     exclude:
         - os: osx