Use auto correct to fix rubocop issues

.rubocop_todo.yml

@@ -498,14 +498,6 @@ Style/ClassVars:
   Exclude:
     - 'lib/open_food_network/rack_request_blocker.rb'
 
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, SingleLineConditionsOnly, IncludeTernaryExpressions.
-# SupportedStyles: assign_to_condition, assign_inside_condition
-Style/ConditionalAssignment:
-  Exclude:
-    - 'app/controllers/api/taxons_controller.rb'
-
 # Offense count: 4
 # Configuration parameters: EnforcedStyle.
 # SupportedStyles: annotated, template, unannotated

app/controllers/api/taxons_controller.rb

@@ -5,13 +5,13 @@ module Api
     skip_authorization_check only: [:index, :show, :jstree]
 
     def index
-      if taxonomy
-        @taxons = taxonomy.root.children
-      elsif params[:ids]
-        @taxons = Spree::Taxon.where(id: params[:ids].split(","))
-      else
-        @taxons = Spree::Taxon.ransack(params[:q]).result
-      end
+      @taxons = if taxonomy
+                  taxonomy.root.children
+                elsif params[:ids]
+                  Spree::Taxon.where(id: params[:ids].split(","))
+                else
+                  Spree::Taxon.ransack(params[:q]).result
+                end
       render json: @taxons, each_serializer: Api::TaxonSerializer
     end