Correct Style/SlicingWithRange rubocop offenses

.rubocop_todo.yml

@@ -677,11 +677,3 @@ Style/ReturnNilInPredicateMethodDefinition:
     - 'app/models/order_cycle.rb'
     - 'app/serializers/api/admin/customer_serializer.rb'
     - 'engines/order_management/app/services/order_management/subscriptions/validator.rb'
-
-# Offense count: 3
-# This cop supports unsafe autocorrection (--autocorrect-all).
-Style/SlicingWithRange:
-  Exclude:
-    - 'app/helpers/spree/admin/navigation_helper.rb'
-    - 'app/services/embedded_page_service.rb'
-    - 'engines/order_management/app/services/order_management/subscriptions/validator.rb'

app/helpers/spree/admin/navigation_helper.rb

@@ -122,7 +122,7 @@ module Spree
           end
         else
           if html_options['data-update'].nil? && html_options[:remote]
-            object_name, action = url.split('/')[-2..-1]
+            object_name, action = url.split('/')[-2..]
             html_options['data-update'] = [action, object_name.singularize].join('_')
           end
 

app/services/embedded_page_service.rb

@@ -81,7 +81,7 @@ class EmbeddedPageService
   def current_referer_without_www
     return unless current_referer
 
-    current_referer.start_with?('www.') ? current_referer[4..-1] : current_referer
+    current_referer.start_with?('www.') ? current_referer[4..] : current_referer
   end
 
   def set_embedded_layout

engines/order_management/app/services/order_management/subscriptions/validator.rb

@@ -128,7 +128,7 @@ module OrderManagement
       end
 
       def build_msg_from(key, msg)
-        return msg[1..-1] if msg.starts_with?("^")
+        return msg[1..] if msg.starts_with?("^")
 
         errors.full_message(key, msg)
       end