Removed superfluous metadata template.

templates/metadata.md

@@ -1,22 +0,0 @@
----
-comment: This template is used to restore the standard PLFA metadata to Markdown files. It is used in raw writers.
----
-
----
-title       : $title$
-$if(authors)$
-author      :
-$for(authors)$
-  - $name$
-$endfor$
-$endif$
-description : $description$
-rights      : $rights$
-language    : $language$
-layout      : $layout$
-prev        : $prev$
-permalink   : $permalink$
-next        : $next$
----
-
-$body$