Remove unused json_spec gem

Gemfile

@@ -288,7 +288,6 @@ group :test do
   gem "poltergeist",        "1.13.0"
 
   gem "cucumber-api-steps", "0.13", require: false
-  gem "json_spec", "1.1.4"
 
   # General helpers
 

Gemfile.lock

@@ -344,9 +344,6 @@ GEM
       url_safe_base64
     json-schema (2.8.0)
       addressable (>= 2.4)
-    json_spec (1.1.4)
-      multi_json (~> 1.0)
-      rspec (>= 2.0, < 4.0)
     jsonpath (0.5.8)
       multi_json
     jwt (1.5.6)
@@ -837,7 +834,6 @@ DEPENDENCIES
   js_image_paths (= 0.1.0)
   json (= 1.8.6)
   json-schema (= 2.8.0)
-  json_spec (= 1.1.4)
   leaflet-rails (= 0.7.7)
   logging-rails (= 0.5.0)
   markerb (= 1.1.0)

features/support/env.rb

@@ -16,7 +16,6 @@ require "capybara/session"
 require "capybara/poltergeist"
 
 require "cucumber/api_steps"
-require "json_spec/cucumber"
 
 # Ensure we know the appservers port
 Capybara.server_port = AppConfig.pod_uri.port