fix compilation warnings

lib/pleroma/web/activity_pub/builder.ex

@@ -80,7 +80,7 @@ defp add_emoji_content(data, emoji, url) do
   end
 
   defp remote_custom_emoji_react(
-         %{data: %{"reactions" => existing_reactions}} = object,
+         %{data: %{"reactions" => existing_reactions}},
          data,
          emoji
        ) do
@@ -103,7 +103,7 @@ defp remote_custom_emoji_react(
     end
   end
 
-  defp remote_custom_emoji_react(_object, data, emoji) do
+  defp remote_custom_emoji_react(_object, _data, _emoji) do
     {:error, "Could not react"}
   end