separated out ip ban logic from regular bans, users can no longer register if an ip ban is in place

db/migrate/20100215225710_create_bans.rb

@@ -2,7 +2,6 @@ class CreateBans < ActiveRecord::Migration
   def self.up
     create_table :bans do |t|
       t.column :user_id, :integer
-      t.column :ip_addr, "inet"
       t.column :reason, :text, :null => false
       t.column :banner_id, :integer, :null => false
       t.column :expires_at, :datetime, :null => false
@@ -10,7 +9,6 @@ class CreateBans < ActiveRecord::Migration
     end
     
     add_index :bans, :user_id
-    add_index :bans, :ip_addr
     add_index :bans, :expires_at
   end