Restore ontologies_linked_data pin to develop (rank propagator merged via OLD #300)

The rank-propagator work is now on OLD develop; drop the temporary
feature-branch pin used for staging validation. This PR is merge-ready.

Author: mdorf

Gemfile

@@ -28,9 +28,7 @@ gem 'sys-proctable'
 gem 'goo', github: 'ncbo/goo', branch: 'development'
 gem 'sparql-client', github: 'ncbo/sparql-client', branch: 'development'
 gem 'ncbo_annotator', github: 'ncbo/ncbo_annotator', branch: 'develop'
-# TEMP: tracking the rank-propagator working branch for staging validation.
-# REVERT to branch: 'develop' before merging this PR (after feature/rank-propagator merges to OLD develop).
-gem 'ontologies_linked_data', github: 'ncbo/ontologies_linked_data', branch: 'feature/rank-propagator'
+gem 'ontologies_linked_data', github: 'ncbo/ontologies_linked_data', branch: 'develop'
 
 group :development do
   gem 'rubocop', require: false

Gemfile.lock

@@ -37,8 +37,8 @@ GIT
 
 GIT
   remote: https://github.com/ncbo/ontologies_linked_data.git
-  revision: e559fe9cf97fb6c7fcc061420b1ecc652b6a3de5
-  branch: feature/rank-propagator
+  revision: c6f83eba9c21513c60977f93f93c6f08af958921
+  branch: develop
   specs:
     ontologies_linked_data (0.0.1)
       activesupport