[FIX] pos_restaurant: shop doesn't exist anymore in pos

The variable 'shop' that was set for POS receipt, was actually the stock
location and has been removed. But we forgot to remove its use in
pos_retaurant.

related commit: 8e30349fd1

addons/pos_restaurant/static/src/xml/printbill.xml

@@ -11,13 +11,13 @@
                     </span>
                     <h1>Bill Printing</h1>
                     <span class='button next'>
-                        Ok 
+                        Ok
                         <i class='fa fa-angle-double-right'></i>
                     </span>
                 </div>
                 <div class="centered-content">
                     <div class="button print">
-                        <i class='fa fa-print'></i> Print 
+                        <i class='fa fa-print'></i> Print
                     </div>
                     <div class="pos-receipt-container">
                     </div>
@@ -44,9 +44,6 @@
                 <br/>
             </t>
             <div font='b'>
-                <t t-if='receipt.shop.name'>
-                    <div><t t-esc='receipt.shop.name' /></div>
-                </t>
                 <t t-if='receipt.company.contact_address'>
                     <div><t t-esc='receipt.company.contact_address' /></div>
                 </t>
@@ -96,9 +93,9 @@
                                     <t t-esc='line.quantity' />
                                 </value>
                                 <t t-if='line.unit_name !== "Unit(s)"'>
-                                    <t t-esc='line.unit_name' /> 
+                                    <t t-esc='line.unit_name' />
                                 </t>
-                                x 
+                                x
                                 <value value-decimals='2'>
                                     <t t-esc='line.price' />
                                 </value>