Remove IpAddress model.

app/models/ip_address.rb

@@ -1,56 +0,0 @@
-# frozen_string_literal: true
-
-class IpAddress < ApplicationRecord
-  belongs_to :model, polymorphic: true
-  belongs_to :user
-  attribute :ip_addr, :ip_address
-
-  def self.model_types
-    %w[Post User Comment Dmail ArtistVersion ArtistCommentaryVersion NoteVersion WikiPageVersion]
-  end
-
-  def self.visible(user)
-    user.is_admin? ? all : where.not(model_type: "Dmail")
-  end
-
-  def self.search(params)
-    q = search_attributes(params, :ip_addr, :user, :model)
-    q.order(created_at: :desc)
-  end
-
-  def self.group_by_ip_addr(ipv4_masklen = nil, ipv6_masklen = nil)
-    ipv4_masklen ||= 32
-    ipv6_masklen ||= 128
-
-    q = select(sanitize_sql([<<~SQL.squish, ipv4_masklen, ipv6_masklen]))
-      CASE
-        WHEN family(ip_addr) = 4
-        THEN network(set_masklen(ip_addr, ?))
-        ELSE network(set_masklen(ip_addr, ?))
-      END AS ip_addr,
-      COUNT(*) AS count_all
-    SQL
-
-    q.group("1").reorder("count_all DESC, ip_addr")
-  end
-
-  def self.group_by_user
-    group(:user_id).select("user_id, COUNT(*) AS count_all").reorder("count_all DESC, user_id")
-  end
-
-  def lookup
-    @lookup ||= ip_addr.ip_lookup
-  end
-
-  def to_s
-    ip_addr.to_s
-  end
-
-  def readonly?
-    true
-  end
-
-  def self.available_includes
-    [:user, :model]
-  end
-end