Clean up some inventory batch UI logic; prefer units by default

tailbone/templates/batch/inventory/desktop_form.mako

@@ -143,7 +143,7 @@
                         if (data.product.type2) {
                             $('#units').focus().select();
                         } else {
-                            % if allow_cases:
+                            % if allow_cases and prefer_cases:
                             if ($('#cases').val()) {
                                 $('#cases').focus().select();
                             } else if ($('#units').val()) {

tailbone/templates/mobile/batch/inventory/view_row.mako

@@ -5,19 +5,6 @@
 ## TODO: this is broken for actual page (header) title
 <%def name="title()">${h.link_to("Inventory", url('mobile.batch.inventory'))} &raquo; ${h.link_to(batch.id_str, url('mobile.batch.inventory.view', uuid=batch.uuid))} &raquo; ${row.upc.pretty()}</%def>
 
-<%
-   unit_uom = 'LB' if row.product and row.product.weighed else 'EA'
-
-   if row.cases and allow_cases:
-       uom = 'CS'
-   elif row.units:
-       uom = unit_uom
-   elif row.case_quantity and allow_cases:
-       uom = 'CS'
-   else:
-       uom = unit_uom
-%>
-
 <div class="ui-grid-a">
   <div class="ui-block-a">
     % if instance.product: