[fix] [minor] removed duplicate validation for sales bom
diff --git a/selling/doctype/sales_bom/sales_bom.py b/selling/doctype/sales_bom/sales_bom.py
index f2b00c6..f6cfafa 100644
--- a/selling/doctype/sales_bom/sales_bom.py
+++ b/selling/doctype/sales_bom/sales_bom.py
@@ -3,8 +3,6 @@
 
 from __future__ import unicode_literals
 import webnotes
-from webnotes.utils import flt
-from webnotes.model.utils import getlist
 
 class DocType:
 	def __init__(self,d,dl):
@@ -14,8 +12,6 @@
 		self.doc.name = self.doc.new_item_code
 	
 	def validate(self):
-		# check for duplicate
-		self.check_duplicate()
 		self.validate_main_item()
 
 		from utilities.transaction_base import validate_uom_is_integer
@@ -36,40 +32,6 @@
 			'uom': det and det[0][1] or ''
 		}
 
-	def check_duplicate(self, finder=0):
-		il = getlist(self.doclist, "sales_bom_items")
-		if not il:
-			webnotes.msgprint("Add atleast one item")
-			return
-		
-		# get all Sales BOM that have the first item	
-		sbl = webnotes.conn.sql("""select distinct parent from `tabSales BOM Item` where item_code=%s 
-			and parent != %s and docstatus != 2""", (il[0].item_code, self.doc.name))
-		
-		# check all siblings
-		sub_items = [[d.item_code, flt(d.qty)] for d in il]
-		
-		for s in sbl:
-			t = webnotes.conn.sql("""select item_code, qty from `tabSales BOM Item` where parent=%s and 
-				docstatus != 2""", s[0])
-			t = [[d[0], flt(d[1])] for d in t]
-	
-			if self.has_same_items(sub_items, t):
-				webnotes.msgprint("%s has the same Sales BOM details" % s[0])
-				raise Exception
-		if finder:
-			webnotes.msgprint("There is no Sales BOM present with the following Combination.")
-
-	def has_same_items(self, l1, l2):
-		if len(l1)!=len(l2): return 0
-		for l in l2:
-			if l not in l1:
-				return 0
-		for l in l1:
-			if l not in l2:
-				return 0
-		return 1
-
 def get_new_item_code(doctype, txt, searchfield, start, page_len, filters):
 	from controllers.queries import get_match_cond