chore: Drive E-commerce via Website Item

- Removed Shopping Cart Settings
- Portal fully driven via E Commerce Settings
- All Item listing querying will happen via ProductQuery engine only
- Product Listing via Website Items
- removed redundant code
- Moved all website logic from Item to Website Item

erpnext/setup/setup_wizard/operations/company_setup.py

@@ -33,7 +33,7 @@ def create_fiscal_year_and_company(args):
 def enable_shopping_cart(args):
 	# Needs price_lists
 	frappe.get_doc({
-		"doctype": "Shopping Cart Settings",
+		"doctype": "E Commerce Settings",
 		"enabled": 1,
 		'company': args.get('company_name')	,
 		'price_list': frappe.db.get_value("Price List", {"selling": 1}),