.travis.yml in activeforce-4.0.0 vs .travis.yml in activeforce-5.0.0

@@ -10,13 +10,10 @@
   allow_failures:
     - rvm: ruby-head
   exclude:
     - rvm: 2.3.3
       gemfile: gemfiles/6.0.gemfile
-    - rvm: ruby-head
-      gemfile: gemfiles/4.2.gemfile
 
 gemfile:
-  - gemfiles/4.2.gemfile
   - gemfiles/5.0.gemfile
   - gemfiles/5.2.gemfile
   - gemfiles/6.0.gemfile