[FIX] *: enforce 1 newline on files end

Part-of: odoo/documentation#2984

content/applications/sales/point_of_sale/restaurant/fiscal_position.rst

@@ -40,4 +40,4 @@ automatically assigned, go to :menuselection:`Point of Sale --> Configuration
     :align: center
 
 .. note::
-   Now, the *tax* button is replaced by a *on site* button when on the *PoS* interface.
+   Now, the *tax* button is replaced by a *on site* button when on the *PoS* interface.

content/applications/sales/point_of_sale/restaurant/restaurant.rst

@@ -113,4 +113,4 @@ when needed.
     :alt: View of the - button, allowing employees to close/remove an order
 
 .. tip::
-   The - button allows you to remove the order you are currently on.
+   The - button allows you to remove the order you are currently on.