BLD: remove after_script since it does not exist anymore

cpcloud · cpcloud · commit 9854fdf29f6b · 2013-06-12T14:30:34.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -55,4 +55,3 @@ script:
 
 after_script:
   - ci/print_versions.py
-  - ci/after_script.sh
