Drop jruby-9.0.5.0 from build matrix

.travis.yml

@@ -10,7 +10,6 @@ rvm:
   - 2.1
   - ruby-head
   - jruby-9.2.11.1
-  - jruby-9.0.5.0
   - jruby-head
   - truffleruby
 

CHANGELOG.md

@@ -16,7 +16,7 @@ Any violations of this scheme are considered to be bugs.
 * [#522](https://github.com/hashie/hashie/pull/522): Added eierlegende Wollmilchsau mascot graphic - [@carolineartz](https://github.com/carolineartz).
 * [#530](https://github.com/hashie/hashie/pull/530): Added Hashie::Extensions::Dash::PredefinedValues - [@caalberts](https://github.com/caalberts).
 * [#536](https://github.com/hashie/hashie/pull/536): Added exporting a normal Hash from an indifferent one through the `#to_hash` method - [@michaelherold](https://github.com/michaelherold).
-* [#539](https://github.com/hashie/hashie/pull/539): Run 2.7 tests once - [@anakinj](https://github.com/anakinj)
+* [#539](https://github.com/hashie/hashie/pull/539): Run 2.7 tests once - [@anakinj](https://github.com/anakinj).
 * Your contribution here.
 
 ### Changed