fix(crm)!: remove unused get_last_interaction endpoint (backport #58214) (#58215)

Co-authored-by: Diptanil Saha <diptanil@frappe.io>

erpnext/crm/doctype/utils.py

@@ -1,53 +1,6 @@
 import frappe
 
 
-@frappe.whitelist()
-def get_last_interaction(contact=None, lead=None):
-	if not contact and not lead:
-		return
-
-	last_communication = None
-	last_issue = None
-	if contact:
-		query_condition = ""
-		values = []
-		contact = frappe.get_doc("Contact", contact)
-		for link in contact.links:
-			if link.link_doctype == "Customer":
-				last_issue = get_last_issue_from_customer(link.link_name)
-			query_condition += "(`reference_doctype`=%s AND `reference_name`=%s) OR"
-			values += [link.link_doctype, link.link_name]
-
-		if query_condition:
-			# remove extra appended 'OR'
-			query_condition = query_condition[:-2]
-			last_communication = frappe.db.sql(
-				f"""
-				SELECT `name`, `content`
-				FROM `tabCommunication`
-				WHERE `sent_or_received`='Received'
-				AND ({query_condition})
-				ORDER BY `modified`
-				LIMIT 1
-			""",
-				values,
-				as_dict=1,
-			)  # nosec
-
-	if lead:
-		last_communication = frappe.get_all(
-			"Communication",
-			filters={"reference_doctype": "Lead", "reference_name": lead, "sent_or_received": "Received"},
-			fields=["name", "content"],
-			order_by="`creation` DESC",
-			limit=1,
-		)
-
-	last_communication = last_communication[0] if last_communication else None
-
-	return {"last_communication": last_communication, "last_issue": last_issue}
-
-
 def get_last_issue_from_customer(customer_name):
 	issues = frappe.get_all(
 		"Issue",