drop redundant "Home" from PDP breadcrumbs

Logo already links home; breadcrumb now starts at category.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

lib/simpleshop_theme_web/components/page_templates/pdp.html.heex

@@ -13,21 +13,18 @@
   <main id="main-content" class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
     <.breadcrumb
       items={
-        [
-          %{label: "Home", page: "home", href: "/"}
-        ] ++
-          if @product.category do
-            [
-              %{
-                label: @product.category,
-                page: "collection",
-                href:
-                  "/collections/#{@product.category |> String.downcase() |> String.replace(" ", "-")}"
-              }
-            ]
-          else
-            []
-          end ++
+        if @product.category do
+          [
+            %{
+              label: @product.category,
+              page: "collection",
+              href:
+                "/collections/#{@product.category |> String.downcase() |> String.replace(" ", "-")}"
+            }
+          ]
+        else
+          []
+        end ++
           [%{label: @product.name, current: true}]
       }
       mode={@mode}