fix: link student emails to batch

lms/lms/doctype/lms_batch/lms_batch.py

@@ -381,14 +381,3 @@ def get_timetable_details(timetable):
 
 	timetable = sorted(timetable, key=lambda k: k["date"])
 	return timetable
-
-
-@frappe.whitelist()
-def send_email_to_students(batch, subject, message):
-	frappe.only_for("Moderator")
-	students = frappe.get_all("Batch Student", {"parent": batch}, pluck="student")
-	frappe.sendmail(
-		recipients=students,
-		subject=subject,
-		message=message,
-	)