Serve the home nav link from PocketBase, not a hard-coded copy

Elternbeirat.Web.Tests/NavBuilderTests.cs

@@ -19,7 +19,6 @@ public class NavBuilderTests
             Page("board", "header", 2, "Vorstandsteam"),
             Page("home", "header", 1, "Start"),
             Page("imprint", "footer", 1, "Impressum"),
-            Page("hidden", "", 1, "Unterseite"),
         };
 
         var header = NavBuilder.Header(pages);
@@ -56,13 +55,4 @@ public class NavBuilderTests
         header[0].Href.ShouldBe("/");
         header[1].Href.ShouldBe("/board");
     }
-
-    [Fact]
-    public void Pages_without_a_location_never_appear_in_a_menu()
-    {
-        var pages = new[] { Page("hidden", "", 1, "Unterseite") };
-
-        NavBuilder.Header(pages).ShouldBeEmpty();
-        NavBuilder.Footer(pages).ShouldBeEmpty();
-    }
 }