Remove unused recorded_at column

app/models/asciicast_params.rb

@@ -8,7 +8,6 @@ class AsciicastParams
   attribute :stdin_timing
   attribute :username, String
   attribute :duration, Float
-  attribute :recorded_at, DateTime, default: -> (p, a) { DateTime.now }
   attribute :title, String
   attribute :command, String
   attribute :shell, String

db/migrate/20140210153648_remove_recorded_at_from_asciicasts.rb

@@ -0,0 +1,5 @@
+class RemoveRecordedAtFromAsciicasts < ActiveRecord::Migration
+  def change
+    remove_column :asciicasts, :recorded_at
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140209133703) do
+ActiveRecord::Schema.define(version: 20140210153648) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -30,7 +30,6 @@ ActiveRecord::Schema.define(version: 20140209133703) do
     t.integer  "user_id"
     t.string   "title"
     t.float    "duration",                         null: false
-    t.datetime "recorded_at"
     t.string   "terminal_type"
     t.integer  "terminal_columns",                 null: false
     t.integer  "terminal_lines",                   null: false
@@ -60,7 +59,6 @@ ActiveRecord::Schema.define(version: 20140209133703) do
   add_index "asciicasts", ["created_at"], name: "index_asciicasts_on_created_at", using: :btree
   add_index "asciicasts", ["featured"], name: "index_asciicasts_on_featured", using: :btree
   add_index "asciicasts", ["likes_count"], name: "index_asciicasts_on_likes_count", using: :btree
-  add_index "asciicasts", ["recorded_at"], name: "index_asciicasts_on_recorded_at", using: :btree
   add_index "asciicasts", ["user_id"], name: "index_asciicasts_on_user_id", using: :btree
   add_index "asciicasts", ["views_count"], name: "index_asciicasts_on_views_count", using: :btree
 

spec/factories/asciicasts.rb

@@ -10,7 +10,6 @@ FactoryGirl.define do
     association :user
     title "bashing"
     duration 11.146430015563965
-    recorded_at "2011-11-23 22:06:07"
     terminal_type "screen-256color"
     terminal_columns 96
     terminal_lines 26

spec/models/asciicast_params_spec.rb

@@ -26,7 +26,6 @@ describe AsciicastParams do
       username:         'kill',
       user_id:          nil,
       duration:         11.146430015563965,
-      recorded_at:      now,
       title:            'bashing :)',
       command:          '/bin/bash',
       shell:            '/bin/zsh',