Restructure stats

Split out count by format

lib/music_library_web/controllers/stats_html.ex

@@ -6,13 +6,4 @@ defmodule MusicLibraryWeb.StatsHTML do
   alias MusicLibrary.Records.Record
 
   embed_templates "stats_html/*"
-
-  defp format_records_count(records_count_by_format) do
-    records_count_by_format
-    |> Enum.sort_by(fn {_format, count} -> count end, :desc)
-    |> Enum.map(fn {format, count} ->
-      Integer.to_string(count) <> " " <> Record.format_long_label(format)
-    end)
-    |> Enum.join(", ")
-  end
 end