Drop the eex template and directly use the webpack index.html

Partly reverts ff7fd460

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/service/metadata.ex

@@ -4,3 +4,17 @@ defprotocol Mobilizon.Service.Metadata do
   """
   def build_tags(entity)
 end
+
+defmodule Mobilizon.Service.MetadataUtils do
+  @moduledoc """
+  Tools to convert tags to string
+  """
+  alias Phoenix.HTML
+
+  def stringify_tags(tags) do
+    Enum.reduce(tags, "", &stringify_tag/2)
+  end
+
+  defp stringify_tag(tag, acc) when is_tuple(tag), do: acc <> HTML.safe_to_string(tag)
+  defp stringify_tag(tag, acc) when is_binary(tag), do: acc <> tag
+end