Migrate editors to components, disable previous editor when selecting new one

app/assets/templates/frontend/directives/global-extensions-menu.html.haml

@@ -4,7 +4,7 @@
       .float-group.h20
         %h1.tinted.pull-left Extensions
         %a.block.pull-right.dashboard-link{"href" => "https://dashboard.standardnotes.org", "target" => "_blank"} Open Dashboard
-      %div.clear{"ng-if" => "!extensionManager.extensions.length && !themeManager.themes.length && !editorManager.externalEditors.length"}
+      %div.clear{"ng-if" => "!extensionManager.extensions.length && !themeManager.themes.length && !componentManager.components.length"}
         %p Customize your experience with editors, themes, and actions.
         .tinted-box.mt-10
           %h3 Available as part of the Extended subscription.
@@ -34,25 +34,6 @@
                 %p.small.selectable.wrap{"ng-if" => "theme.showLink"}
                   {{theme.url}}
 
-    %div{"ng-if" => "editorManager.externalEditors.length > 0"}
-      .header.container.section-margin
-        %h2 Editors
-        %p{"style" => "margin-top: 3px;"} Choose "Editor" in the note menu to use an editor for a specific note.
-      %ul
-        %li{"ng-repeat" => "editor in editorManager.externalEditors | orderBy: 'name'", "ng-click" => "clickedExtension(editor)"}
-          .container
-            %strong.red.medium{"ng-if" => "editor.conflict_of"} Conflicted copy
-            %h3
-              %input.bold{"ng-if" => "editor.rename", "ng-model" => "editor.tempName", "ng-keyup" => "$event.keyCode == 13 && submitExtensionRename(editor);", "mb-autofocus" => "true", "should-focus" => "true"}
-              %span{"ng-if" => "!editor.rename"} {{editor.name}}
-            %div.mt-5{"ng-if" => "editor.showDetails"}
-              .link-group
-                %a{"ng-if" => "!editor.default", "ng-click" => "setDefaultEditor(editor); $event.stopPropagation();"} Make Default
-                %a.tinted{"ng-if" => "editor.default", "ng-click" => "removeDefaultEditor(editor); $event.stopPropagation();"} Remove as Default
-                %a{"ng-click" => "renameExtension(editor); $event.stopPropagation();"} Rename
-                %a{"ng-click" => "editor.showUrl = !editor.showUrl; $event.stopPropagation();"} Show Link
-                %a.red{ "ng-click" => "deleteEditor(editor); $event.stopPropagation();"} Delete
-              .wrap.mt-5.selectable{"ng-if" => "editor.showUrl"} {{editor.url}}
 
     %div{"ng-if" => "extensionManager.extensions.length"}
       .header.container.section-margin