Remove unused cucumber step

"should see JSON"

closes #7410

Changelog.md

@@ -8,6 +8,7 @@
 * Reduce conversation recipient size [#7376](https://github.com/diaspora/diaspora/pull/7376)
 * Cleanup rtl css [#7374](https://github.com/diaspora/diaspora/pull/7374)
 * Increase visual spacing between list items [#7401](https://github.com/diaspora/diaspora/pull/7401)
+* Remove unused gem and cucumber step [#7410](https://github.com/diaspora/diaspora/pull/7410)
 
 ## Bug fixes
 * Don't hide posts when blocking someone from the profile [#7379](https://github.com/diaspora/diaspora/pull/7379)

features/step_definitions/web_steps.rb

@@ -95,13 +95,6 @@ When /^(?:|I )attach the file "([^"]*)" to (?:hidden )?"([^"]*)"(?: within "([^"
   end
 end
 
-Then /^(?:|I )should see JSON:$/ do |expected_json|
-  require 'json'
-  expected = JSON.pretty_generate(JSON.parse(expected_json))
-  actual   = JSON.pretty_generate(JSON.parse(response.body))
-  expected.should == actual
-end
-
 Then /^(?:|I )should see (\".+?\"[\s]*)(?:[\s]+within[\s]* "([^"]*)")?$/ do |vars, selector|
   vars.scan(/"([^"]+?)"/).flatten.each do |text|
     with_scope(selector) do