Stop testing with sass-head and rails-head

No longer in active development

Author: glebm

.travis.yml

@@ -4,17 +4,11 @@ bundler_args: --path ../../vendor/bundle --without debug
 rvm:
   - 2.2.3
 gemfile:
-  - test/gemfiles/rails_head.gemfile
   - test/gemfiles/sass_3_3.gemfile
   - test/gemfiles/sass_3_4.gemfile
-  - test/gemfiles/sass_head.gemfile
 before_install:
   - "nvm install stable"
   - "npm install"
-matrix:
-  allow_failures:
-    - gemfile: test/gemfiles/rails_head.gemfile
-    - gemfile: test/gemfiles/sass_head.gemfile
 notifications:
   slack: heybb:3n88HHilXn76ji9vV4gL819Y
 env: