fix: remove validate for issue priority (#19522)

diff --git a/erpnext/support/doctype/issue_priority/issue_priority.py b/erpnext/support/doctype/issue_priority/issue_priority.py
index cecaaaa..7c8925e 100644
--- a/erpnext/support/doctype/issue_priority/issue_priority.py
+++ b/erpnext/support/doctype/issue_priority/issue_priority.py
@@ -8,7 +8,4 @@
 from frappe.model.document import Document
 
 class IssuePriority(Document):
-
-	def validate(self):
-		if frappe.db.exists("Issue Priority", {"name": self.name}):
-			frappe.throw(_("Issue Priority Already Exists"))
+	pass
\ No newline at end of file