chore: Removing Item's Website section & references

- Removed old onboarding slide json and `create_onboarding_docs` methods
- Removed website sections from Item master
- Removed references to item website fields
- Shifted Item doctype website methods to Website Item
- Removed WebsiteGenerator from Item doctype
- Website Items in Homepage Products section
- Removed redundant code from item_group.py
- Fix: Item field filters won’t appear in website

erpnext/shopping_cart/filters.py

@@ -48,8 +48,7 @@ class ProductFiltersBuilder:
 				values = [d.name for d in frappe.get_all(doctype, filters)]
 
 			# Remove None
-			if None in values:
-				values.remove(None)
+			if None in values: values.remove(None)
 
 			if values:
 				filter_data.append([df, values])

erpnext/shopping_cart/search.py

@@ -111,7 +111,7 @@ class ProductSearch(FullTextSearch):
 		)
 
 def get_all_published_items():
-	return frappe.get_all("Item", filters={"variant_of": "", "show_in_website": 1},pluck="name")
+	return frappe.get_all("Website Item", filters={"variant_of": "", "published": 1}, pluck="item_code")
 
 def update_index_for_path(path):
 	search = ProductSearch(INDEX_NAME)