Update salary_slip.py

getdate imported twice
diff --git a/erpnext/hr/doctype/salary_slip/salary_slip.py b/erpnext/hr/doctype/salary_slip/salary_slip.py
index 27a51c3..46be4fe 100644
--- a/erpnext/hr/doctype/salary_slip/salary_slip.py
+++ b/erpnext/hr/doctype/salary_slip/salary_slip.py
@@ -5,7 +5,7 @@
 import frappe, erpnext
 import datetime, math
 
-from frappe.utils import add_days, cint, cstr, flt, getdate, rounded, date_diff, money_in_words, getdate
+from frappe.utils import add_days, cint, cstr, flt, getdate, rounded, date_diff, money_in_words
 from frappe.model.naming import make_autoname
 
 from frappe import msgprint, _