Remove functionality related to votes demographic info

Since this was giving me too much pain and nobody actually requested
this functionality, I decided to remove it.

lib/age_range_calculator.rb

@@ -1,15 +0,0 @@
-class AgeRangeCalculator
-
-  MIN_AGE = 16
-  MAX_AGE = 1.0/0.0 # Infinity
-  RANGES = [ (MIN_AGE..25), (26..40), (41..60), (61..MAX_AGE) ]
-
-  def self.range_from_birthday(dob)
-    # Inspired by: http://stackoverflow.com/questions/819263/get-persons-age-in-ruby/2357790#2357790
-    now = Time.current.to_date
-    age = now.year - dob.year - ((now.month > dob.month || (now.month == dob.month && now.day >= dob.day)) ? 0 : 1)
-
-    index = RANGES.find_index { |range| range.include?(age) }
-    index ? RANGES[index] : nil
-  end
-end

lib/graph_ql/api_types_creator.rb

@@ -69,7 +69,6 @@ module GraphQL
 
       file.each do |api_type_model, api_type_info|
         model = api_type_model.constantize
-        options = api_type_info['options']
         fields = {}
 
         api_type_info['fields'].each do |field_name, field_type|
@@ -82,7 +81,7 @@ module GraphQL
           end
         end
 
-        api_type_definitions[model] = { options: options, fields: fields }
+        api_type_definitions[model] = { fields: fields }
       end
 
       api_type_definitions