Removed Measurement 'hidden' attribute

app/models/measurement.rb

@@ -23,7 +23,6 @@ class Measurement < ActiveRecord::Base
 
   after_initialize do
     if new_record?
-      self.hidden = false if self.hidden.nil?
       self.taken_at = Time.now
     end
   end
@@ -43,10 +42,6 @@ class Measurement < ActiveRecord::Base
       .find_or_create_by(name: self.name, domain: ColumnView.domains[:measurement])
   end
 
-  def toggle_hidden!
-    self.toggle!(:hidden)
-  end
-
   def taken_at_date
     self.taken_at.getlocal
   end

app/views/measurements/_index.html.erb

@@ -11,8 +11,7 @@
     <tbody>
       <% @measurements.each do |m| %>
         <% next if m.new_record? %>
-        <tr id="measurement-<%= m.id %>"
-            class="primary measurement <%= 'hidden' if m.hidden %>">
+        <tr id="measurement-<%= m.id %>" class="primary measurement">
           <td class="date unwrappable"><%= format_datetime(m) %></td>
           <td class="name">
             <div style="float:left;">

db/migrate/001_create_schema.rb

@@ -62,7 +62,6 @@ class CreateSchema < ActiveRecord::Migration
       t.references :project
       t.string :name
       t.references :source
-      t.boolean :hidden
       t.timestamp :taken_at
       t.timestamps null: false
     end