patch: remove related docs and warn

erpnext/patches.txt

@@ -302,6 +302,7 @@ erpnext.patches.v13_0.delete_bank_reconciliation_detail
 erpnext.patches.v13_0.enable_provisional_accounting
 erpnext.patches.v13_0.non_profit_deprecation_warning
 erpnext.patches.v13_0.enable_ksa_vat_docs #1
+erpnext.patches.v13_0.remove_india_deprecation_warning
 
 [post_model_sync]
 execute:frappe.delete_doc_if_exists('Workspace', 'ERPNext Integrations Settings')
@@ -344,3 +345,4 @@ execute:frappe.delete_doc("DocType", "Naming Series")
 erpnext.patches.v13_0.set_payroll_entry_status
 erpnext.patches.v13_0.job_card_status_on_hold
 erpnext.patches.v14_0.migrate_gl_to_payment_ledger
+erpnext.patches.v14_0.delete_regional_india_doctypes

erpnext/patches/v13_0/remove_india_deprecation_warning.py

@@ -0,0 +1,10 @@
+import click
+
+
+def execute():
+
+	click.secho(
+		"Regional India is moved to a separate app and will be removed from ERPNext in version-14.\n"
+		"Please install the app to continue using the module after upgrading to version-14: https://github.com/resilient-tech/india-compliance",
+		fg="yellow",
+	)

erpnext/patches/v14_0/delete_regional_india_doctypes.py

@@ -0,0 +1,43 @@
+import click
+import frappe
+
+
+def execute():
+	to_delete = {
+		"DocType": [
+			"C-Form",
+			"C-Form Invoice Detail",
+			"GST Account",
+			"E Invoice Request Log",
+			"E Invoice Settings",
+			"E Invoice User",
+			"GST HSN Code",
+			"GST Settings",
+			"GSTR 3B Report",
+		],
+		"Print Format": [
+			"GST E-Invoice",
+			"GST Purchase Invoice",
+			"GST Tax Invoice",
+		],
+		"Report": [
+			"E-Invoice Summary",
+			"Eway Bill",
+			"GST Itemised Purchase Register",
+			"GST Itemised Sales Register",
+			"GST Purchase Register",
+			"GST Sales Register",
+			"GSTR-1",
+			"GSTR-2",
+			"HSN-wise-summary of outward supplies",
+		],
+	}
+
+	for doctype, names in to_delete.items():
+		frappe.delete_doc(doctype, names, ignore_missing=True, force=True)
+
+	click.secho(
+		"Regional India is moved to a separate app and is removed from ERPNext.\n"
+		"Please install the app to continue using the module: https://github.com/resilient-tech/india-compliance",
+		fg="yellow",
+	)