[FIX] accounting: remove LIFO as inventory valuation option

closes #15780

X-original-commit: 92a5f32
Signed-off-by: Audrey Vandromme (auva) <auva@odoo.com>
Signed-off-by: Dallas Dean (dade) <dade@odoo.com>

Author: dade-odoo

content/applications/finance/accounting.rst

@@ -278,8 +278,7 @@ Inventory valuation
 ===================
 
 Both periodic (manual) and perpetual (automated) inventory valuations are supported in Odoo. The
-available methods are standard price, average price, :abbr:`LIFO (Last-In, First-Out)` and
-:abbr:`FIFO (First-In, First-Out).`
+available methods are Standard Price, Average Cost (AVCO), and First In First Out (FIFO).
 
 .. seealso::
    :doc:`../inventory_and_mrp/inventory/product_management/inventory_valuation/inventory_valuation_config`