Remove leftover files

src/posts/index.njk

@@ -1,11 +0,0 @@
----
-title: Posts
-layout: layouts/layout.njk
-eleventyNavigation:
-  key: Posts
-  icon: edit-2
-  order: 1
----
-
-{% set postsList = collections.posts | filterDrafts | IsNotPage(page.url) %}
-{% include "posts-list.njk" %}

src/posts/tags.njk

@@ -1,14 +0,0 @@
----
-layout: layouts/layout.njk
-pagination:
-  data: collections
-  size: 1
-  alias: tag
-  filter: [ all, post, posts, MainPage ]
-eleventyComputed:
-  title: Posts Tagged “{{ tag }}”
-permalink: /posts/tags/{{ tag | slugify }}
----
-
-{% set postsList = collections[tag] %}
-{% include "posts-list.njk" %}