Remove awesome nested set gem and dependencies [OFN-11636]

Gemfile

@@ -16,7 +16,6 @@ gem "image_processing"
 
 gem 'activemerchant', '>= 1.78.0'
 gem 'angular-rails-templates', '>= 0.3.0'
-gem 'awesome_nested_set'
 gem 'ransack', '~> 4.1.0'
 gem 'responders'
 gem 'webpacker', '~> 5'

Gemfile.lock

@@ -161,8 +161,6 @@ GEM
       activerecord (>= 3.1.0, < 8)
     ast (2.4.2)
     attr_required (1.0.2)
-    awesome_nested_set (3.6.0)
-      activerecord (>= 4.0.0, < 7.2)
     aws-eventstream (1.3.0)
     aws-partitions (1.929.0)
     aws-sdk-core (3.196.1)
@@ -863,7 +861,6 @@ DEPENDENCIES
   angularjs-file-upload-rails (~> 2.4.1)
   angularjs-rails (= 1.8.0)
   arel-helpers (~> 2.12)
-  awesome_nested_set
   aws-sdk-s3
   bigdecimal (= 3.0.2)
   bootsnap

app/controllers/api/v0/taxons_controller.rb

@@ -5,36 +5,20 @@ module V0
     class TaxonsController < Api::V0::BaseController
       respond_to :json
 
-      skip_authorization_check only: [:index, :show, :jstree]
+      skip_authorization_check only: [:index, :show]
 
       def index
-        @taxons = if taxonomy
-                    taxonomy.root.children
-                  elsif params[:ids]
+        @taxons = if params[:ids]
                     Spree::Taxon.where(id: raw_params[:ids].split(","))
                   else
                     Spree::Taxon.ransack(raw_params[:q]).result
                   end
         render json: @taxons, each_serializer: Api::TaxonSerializer
       end
 
-      def jstree
-        @taxon = taxon
-        render json: @taxon.children, each_serializer: Api::TaxonJstreeSerializer
-      end
-
       def create
         authorize! :create, Spree::Taxon
         @taxon = Spree::Taxon.new(taxon_params)
-        @taxon.taxonomy_id = params[:taxonomy_id]
-        taxonomy = Spree::Taxonomy.find_by(id: params[:taxonomy_id])
-
-        if taxonomy.nil?
-          @taxon.errors.add(:taxonomy_id, I18n.t(:invalid_taxonomy_id, scope: 'spree.api'))
-          invalid_resource!(@taxon) && return
-        end
-
-        @taxon.parent_id = taxonomy.root.id unless params.dig(:taxon, :parent_id)
 
         if @taxon.save
           render json: @taxon, serializer: Api::TaxonSerializer, status: :created
@@ -60,20 +44,14 @@ def destroy
 
       private
 
-      def taxonomy
-        return if params[:taxonomy_id].blank?
-
-        @taxonomy ||= Spree::Taxonomy.find(params[:taxonomy_id])
-      end
-
       def taxon
-        @taxon ||= taxonomy.taxons.find(params[:id])
+        @taxon = Spree::Taxon.find(params[:id])
       end
 
       def taxon_params
         return if params[:taxon].blank?
 
-        params.require(:taxon).permit([:name, :parent_id, :position])
+        params.require(:taxon).permit([:name, :position])
       end
     end
   end