Remove old packet socket factory header.

Bug: webrtc:7447
Change-Id: I367e624070561349a2e98c00d1ce97ad8d12edeb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/153347
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29207}
diff --git a/p2p/BUILD.gn b/p2p/BUILD.gn
index 130d340..75ded56 100644
--- a/p2p/BUILD.gn
+++ b/p2p/BUILD.gn
@@ -58,7 +58,6 @@
     "base/p2p_constants.h",
     "base/p2p_transport_channel.cc",
     "base/p2p_transport_channel.h",
-    "base/packet_socket_factory.h",
     "base/packet_transport_interface.h",
     "base/packet_transport_internal.cc",
     "base/packet_transport_internal.h",
@@ -222,6 +221,7 @@
       ":rtc_p2p",
       ":stun_types",
       "../api:libjingle_peerconnection_api",
+      "../api:packet_socket_factory",
       "../api:scoped_refptr",
       "../api/units:time_delta",
       "../rtc_base",
@@ -255,6 +255,7 @@
   deps = [
     ":rtc_p2p",
     ":stun_types",
+    "../api:packet_socket_factory",
     "../rtc_base",
     "../rtc_base:checks",
     "../rtc_base:rtc_base_tests_utils",
@@ -274,6 +275,7 @@
   deps = [
     ":rtc_p2p",
     ":stun_types",
+    "../api:packet_socket_factory",
     "../rtc_base",
     "../rtc_base:checks",
     "../rtc_base/system:rtc_export",