fix: remove unwanted fields from KSA setup
diff --git a/erpnext/regional/saudi_arabia/setup.py b/erpnext/regional/saudi_arabia/setup.py
index 2e31c03..8f2ad5c 100644
--- a/erpnext/regional/saudi_arabia/setup.py
+++ b/erpnext/regional/saudi_arabia/setup.py
@@ -3,16 +3,72 @@
 
 import frappe
 from frappe.permissions import add_permission, update_permission_property
-from erpnext.regional.united_arab_emirates.setup import make_custom_fields as uae_custom_fields
 from erpnext.regional.saudi_arabia.wizard.operations.setup_ksa_vat_setting import create_ksa_vat_setting
 from frappe.custom.doctype.custom_field.custom_field import create_custom_fields
 
 def setup(company=None, patch=True):
-	uae_custom_fields()
+	make_custom_fields()
 	add_print_formats()
 	add_permissions()
 	make_custom_fields()
 
+def make_custom_fields():
+	is_zero_rated = dict(fieldname='is_zero_rated', label='Is Zero Rated',
+		fieldtype='Check', fetch_from='item_code.is_zero_rated', insert_after='description',
+		print_hide=1)
+	
+	is_exempt = dict(fieldname='is_exempt', label='Is Exempt',
+		fieldtype='Check', fetch_from='item_code.is_exempt', insert_after='is_zero_rated',
+		print_hide=1)
+
+	purchase_invoice_fields = [
+			dict(fieldname='company_trn', label='Company TRN',
+				fieldtype='Read Only', insert_after='shipping_address',
+				fetch_from='company.tax_id', print_hide=1),
+			dict(fieldname='supplier_name_in_arabic', label='Supplier Name in Arabic',
+				fieldtype='Read Only', insert_after='supplier_name',
+				fetch_from='supplier.supplier_name_in_arabic', print_hide=1)
+		]
+
+	sales_invoice_fields = [
+			dict(fieldname='company_trn', label='Company TRN',
+				fieldtype='Read Only', insert_after='company_address',
+				fetch_from='company.tax_id', print_hide=1),
+			dict(fieldname='customer_name_in_arabic', label='Customer Name in Arabic',
+				fieldtype='Read Only', insert_after='customer_name',
+				fetch_from='customer.customer_name_in_arabic', print_hide=1)
+		]
+
+	custom_fields = {
+		'Item': [is_zero_rated, is_exempt],
+		'Customer': [
+			dict(fieldname='customer_name_in_arabic', label='Customer Name in Arabic',
+				fieldtype='Data', insert_after='customer_name'),
+		],
+		'Supplier': [
+			dict(fieldname='supplier_name_in_arabic', label='Supplier Name in Arabic',
+				fieldtype='Data', insert_after='supplier_name'),
+		],
+		'Purchase Invoice': purchase_invoice_fields,
+		'Purchase Order': purchase_invoice_fields,
+		'Purchase Receipt': purchase_invoice_fields,
+		'Sales Invoice': sales_invoice_fields,
+		'POS Invoice': sales_invoice_fields,
+		'Sales Order': sales_invoice_fields,
+		'Delivery Note': sales_invoice_fields,
+		'Sales Invoice Item': [is_zero_rated, is_exempt],
+		'POS Invoice Item': [is_zero_rated, is_exempt],
+		'Purchase Invoice Item': [is_zero_rated, is_exempt],
+		'Sales Order Item': [is_zero_rated, is_exempt],
+		'Delivery Note Item': [is_zero_rated, is_exempt],
+		'Quotation Item': [is_zero_rated, is_exempt],
+		'Purchase Order Item': [is_zero_rated, is_exempt],
+		'Purchase Receipt Item': [is_zero_rated, is_exempt],
+		'Supplier Quotation Item': [is_zero_rated, is_exempt],
+	}
+
+	create_custom_fields(custom_fields)
+
 def add_print_formats():
 	frappe.reload_doc("regional", "print_format", "detailed_tax_invoice", force=True)
 	frappe.reload_doc("regional", "print_format", "simplified_tax_invoice", force=True)