Update templates so getting child pages is more sane

I think this is a layover from when I tried to do weird things

layouts/_default/list.html

@@ -6,12 +6,8 @@
         <hr />
       {{ end }}
       {{ $unique_id := .File.UniqueID }}
-      {{ range .Site.Pages.ByTitle }}
-        {{ if .Parent }}
-          {{ if eq .Parent.File.UniqueID $unique_id }}
-            {{ partial "list_item.html" . }}
-          {{ end }}
-        {{ end }}
+      {{ range .Pages.ByTitle }}
+        {{ partial "list_item.html" . }}
       {{ end }}
     </div>
   </div>

layouts/posts/list.html

@@ -5,7 +5,7 @@
     {{ if .Content }}
         <hr />
     {{ end }}
-    {{ range .Data.Pages.GroupByDate "2006-01" }}
+    {{ range .Pages.GroupByDate "2006-01" }}
       {{ $month := print .Key "-01" }}
       {{ if (index .Pages 0).Date.IsZero }}
         <hr class="my-5" />