Remove unused files

layouts/_default/index.html

@@ -1,11 +0,0 @@
-{{ define "main" }}
-{{ .Scratch.Set "asBanner" "true" }}
-{{ $filter := slice "showcase" }}
-    {{ range first 1 (shuffle  (where   .Site.Pages  "Params.tags"  "intersect" $filter    ) ) }}
-    {{ partial "showcase.html" . }}
-{{ end }}
-
-{{ partial "listTags.html" . }}
-{{ partial "articlesList.html" . }}
-{{ end }}
-

layouts/_default/index.json

@@ -1,3 +0,0 @@
-{
-    
-}