Remove patch issue8699.diff as it's already been commited in core.

issue8699.diff

@@ -1,13 +0,0 @@
-diff -r f4710591683e move.py
---- a/trytond/trytond/modules/product_cost_fifo/move.py	Mon May 06 15:06:16 2019 +0200
-+++ b/trytond/trytond/modules/product_cost_fifo/move.py	Wed Oct 02 10:57:59 2019 +0200
-@@ -70,6 +70,9 @@
-
-         if Decimal(str(consumed_qty)) != Decimal("0"):
-             cost_price = cost_price / Decimal(str(consumed_qty))
-+        else:
-+            cost_price = self.product.get_multivalue(
-+                'cost_price', **self._cost_price_pattern)
-
-         # Compute average cost price
-         unit_price = self.unit_price

series

@@ -45,8 +45,6 @@ stock_lot_sled.diff # [stock_lot_sled] Allow configuring which quantity is group
 
 issue10467.diff # [stock_lot] add lot to grouping when assign try if lot it's required on product
 
-issue8699.diff # [product_cost_fifo] Cost price increases when no quantity FIFO
-
 issue8413.diff # [carrier]  Add recname to search
 production_view.diff #[production] Split inputs and outputs on pages
 issue8433.diff # [stock] check inventory lines to not write if not necessary.