delete redundant files

cvd-theme/parts/header-copy-2.html

@@ -1 +0,0 @@
-<!-- wp:pattern {"slug":"twentytwentythree-cvd2023/header-copy-2"} /-->

cvd-theme/parts/template-artist.html

@@ -1,17 +0,0 @@
-<!-- wp:group {"layout":{"type":"constrained","contentSize":"960px"}} -->
-<div class="wp-block-group"><!-- wp:block {"ref":606} /-->
-
-<!-- wp:paragraph -->
-<p>Detach template before editing the copy</p>
-<!-- /wp:paragraph -->
-
-<!-- wp:paragraph -->
-<p>Add your copy...here.</p>
-<!-- /wp:paragraph -->
-
-<!-- wp:gallery {"linkTo":"none"} -->
-<figure class="wp-block-gallery has-nested-images columns-default is-cropped"></figure>
-<!-- /wp:gallery --></div>
-<!-- /wp:group -->
-
-<!-- wp:block {"ref":1520} /-->