.travis.yml in kt-paperclip-6.2.2 vs .travis.yml in kt-paperclip-6.3.0

@@ -1,9 +1,8 @@
 language: ruby
 
 rvm:
-  - 2.1
   - 2.2
   - 2.3
   - 2.4
   - 2.5
   - 2.6
@@ -27,19 +26,11 @@
   - gemfiles/6.0.gemfile
 
 matrix:
   fast_finish: true
   exclude:
-    - gemfile: gemfiles/5.0.gemfile
-      rvm: 2.1
-    - gemfile: gemfiles/5.1.gemfile
-      rvm: 2.1
     - gemfile: gemfiles/5.2.gemfile
-      rvm: 2.1
-    - gemfile: gemfiles/5.2.gemfile
       rvm: 2.2
-    - gemfile: gemfiles/6.0.gemfile
-      rvm: 2.1
     - gemfile: gemfiles/6.0.gemfile
       rvm: 2.2
     - gemfile: gemfiles/6.0.gemfile
       rvm: 2.3
     - gemfile: gemfiles/6.0.gemfile