Revert rspec max output length config

Author: Matt Kelly

spec/spec_helper.rb

@@ -17,8 +17,6 @@
     # ...rather than:
     #   # => "be bigger than 2"
     expectations.include_chain_clauses_in_custom_matcher_descriptions = true
-    # This option will remove the default 200 character limit for RSpec diffs
-    expectations.max_formatted_output_length = nil
   end
 
   config.mock_with :rspec do |mocks|