models: drop various unused #named methods.

app/controllers/wiki_pages_controller.rb

@@ -86,7 +86,6 @@ class WikiPagesController < ApplicationController
       redirect_to wiki_page_path(@wiki_page)
     else
       @wiki_page = WikiPage.new(:title => params[:title])
-      @artist = Artist.named(@wiki_page.title).active.first
       respond_with(@wiki_page)
     end
   end

app/logical/related_tag_query.rb

@@ -83,7 +83,7 @@ protected
   end
 
   def related_tags
-    tag = Tag.named(query.strip).first
+    tag = Tag.find_by_name(query.strip)
 
     if tag
       tag.related_tag_array.map(&:first)

app/models/artist.rb

@@ -464,10 +464,6 @@ class Artist < ApplicationRecord
   end
 
   module SearchMethods
-    def named(name)
-      where(name: normalize_name(name))
-    end
-
     def any_other_name_matches(regex)
       where(id: Artist.from("unnest(other_names) AS other_name").where("other_name ~ ?", regex))
     end

app/models/tag.rb

@@ -930,10 +930,6 @@ class Tag < ApplicationRecord
       where("tags.name LIKE ? ESCAPE E'\\\\'", normalize_name(name).to_escaped_for_sql_like)
     end
 
-    def named(name)
-      where("tags.name = ?", TagAlias.to_aliased([name]).join(""))
-    end
-
     def search(params)
       q = super
 

app/models/user.rb

@@ -742,10 +742,6 @@ class User < ApplicationRecord
   end
 
   module SearchMethods
-    def named(name)
-      where("lower(name) = ?", name)
-    end
-
     def admins
       where("level = ?", Levels::ADMIN)
     end

app/views/wiki_pages/show_or_new.html.erb

@@ -10,8 +10,8 @@
         <p>This wiki page does not exist. <%= link_to "Create new wiki page", new_wiki_page_path(:wiki_page => {:title => params[:title]}) %>.</p>
       </div>
 
-      <% if @artist %>
-        <p><%= link_to "View artist", @artist %></p>
+      <% if @wiki_page.artist.present? %>
+        <p><%= link_to "View artist", @wiki_page.artist %></p>
       <% end %>
 
       <%= wiki_page_alias_and_implication_list(@wiki_page)%>

test/unit/related_tag_query_test.rb

@@ -31,7 +31,7 @@ class RelatedTagQueryTest < ActiveSupport::TestCase
 
     context "for a tag that already exists" do
       setup do
-        Tag.named("aaa").first.update_related
+        Tag.find_by_name("aaa").update_related
         @query = RelatedTagQuery.new(query: "aaa")
       end
 
@@ -60,7 +60,7 @@ class RelatedTagQueryTest < ActiveSupport::TestCase
         @wp = FactoryBot.create(:wiki_page, title: "aaa", body: "blah [[foo|blah]] [[FOO]] [[bar]] blah")
         @query = RelatedTagQuery.new(query: "xyz")
 
-        Tag.named("aaa").first.update_related
+        Tag.find_by_name("aaa").update_related
       end
 
       should "take wiki tags from the consequent's wiki" do