Change ice_server urls -> url

Author: mickel8

examples/echo/lib/echo/peer_handler.ex

@@ -12,7 +12,7 @@ defmodule Echo.PeerHandler do
   @behaviour WebSock
 
   @ice_servers [
-    %{urls: "stun:stun.l.google.com:19302"}
+    %{url: "stun:stun.l.google.com:19302"}
   ]
 
   @video_codecs [

examples/save_to_file/lib/save_to_file/peer_handler.ex

@@ -18,7 +18,7 @@ defmodule SaveToFile.PeerHandler do
   @audio_file "./audio.ogg"
 
   @ice_servers [
-    %{urls: "stun:stun.l.google.com:19302"}
+    %{url: "stun:stun.l.google.com:19302"}
   ]
 
   @video_codecs [

examples/send_from_file/lib/send_from_file/peer_handler.ex

@@ -23,7 +23,7 @@ defmodule SendFromFile.PeerHandler do
   @max_rtp_seq_no (1 <<< 16) - 1
 
   @ice_servers [
-    %{urls: "stun:stun.l.google.com:19302"}
+    %{url: "stun:stun.l.google.com:19302"}
   ]
 
   @video_codecs [

examples/whep_from_file/lib/whep_from_file/viewer.ex

@@ -18,7 +18,7 @@ defmodule WHEPFromFile.Viewer do
   }
 
   @ice_servers [
-    # %{urls: "stun:stun.l.google.com:19302"}
+    # %{url: "stun:stun.l.google.com:19302"}
   ]
 
   @video_codecs [

lib/ex_webrtc/peer_connection/configuration.ex

@@ -159,8 +159,6 @@ defmodule ExWebRTC.PeerConnection.Configuration do
       options
       |> resolve_rtp_hdr_extensions()
       |> add_mandatory_rtp_hdr_extensions()
-      # ATM, ExICE does not support relay via TURN
-      |> reject_turn_servers()
 
     struct!(__MODULE__, options)
   end
@@ -360,12 +358,4 @@ defmodule ExWebRTC.PeerConnection.Configuration do
     |> Keyword.put(:video_rtp_hdr_exts, video_exts)
     |> Keyword.delete(:rtp_hdr_extensions)
   end
-
-  defp reject_turn_servers(options) do
-    Keyword.update(options, :ice_servers, [], fn ice_servers ->
-      ice_servers
-      |> Enum.flat_map(&List.wrap(&1.urls))
-      |> Enum.filter(&String.starts_with?(&1, "stun:"))
-    end)
-  end
 end