Remove support for JRuby 9.0.x

.travis.yml

@@ -29,13 +29,10 @@ matrix:
     - rvm: 2.1.10
       env: RACK_VERSION=1.4.5
 
-    # Older JRuby versions
+    # Older JRuby version
     - rvm: jruby-9.1.17.0
       jdk: openjdk8
 
-    - rvm: jruby-9.0.5.0
-      jdk: openjdk8
-
     # HEAD-Rubies (might break)
     - rvm: ruby-head
     - rvm: jruby-head
@@ -52,7 +49,7 @@ before_install:
   # older version of bundler for older Ruby versions since they can't / won't
   # check their required versions on their own.
   - |
-    if [[ "$(rvm current)" =~ ^(ruby-2\.[012]|jruby-9\.0) ]]; then
+    if [[ "$(rvm current)" =~ ^ruby-2\.[012] ]]; then
       gem install bundler -v '< 2.0'
     else
       gem install bundler

appveyor.yml

@@ -11,7 +11,6 @@ environment:
     - RUBY_VERSION: trunk
     - RUBY_VERSION: jruby-9.2.9.0
     - RUBY_VERSION: jruby-9.1.17.0
-    - RUBY_VERSION: jruby-9.0.5.0
 
 matrix:
   allow_failures:
@@ -38,11 +37,7 @@ init:
 
         $env:PATH = "C:\jruby-$jruby_version\bin;" + $env:PATH
 
-        if ($jruby_version.StartsWith('9.0')) {
-          gem install bundler -v "< 2.0"
-        } else {
-          gem install bundler
-        }
+        gem install bundler
       }
       Else {
         $env:PATH = "C:\Ruby" + $env:RUBY_VERSION + "\bin;" + $env:PATH