Remove dead dependencies on xmllite and xmpp.

media/ and p2p/ doesn't actually depend on these anymore.

BUG=webrtc:5539
NOTRY=True

Review-Url: https://codereview.webrtc.org/2447533003
Cr-Commit-Position: refs/heads/master@{#14761}
diff --git a/webrtc/media/BUILD.gn b/webrtc/media/BUILD.gn
index e54ec8b..c872665 100644
--- a/webrtc/media/BUILD.gn
+++ b/webrtc/media/BUILD.gn
@@ -178,8 +178,6 @@
     "../api:call_api",
     "../base:rtc_base_approved",
     "../call",
-    "../libjingle/xmllite",
-    "../libjingle/xmpp",
     "../modules/video_coding",
     "../p2p",
     "../system_wrappers",
diff --git a/webrtc/p2p/BUILD.gn b/webrtc/p2p/BUILD.gn
index a41d8c0..a0c4ea7 100644
--- a/webrtc/p2p/BUILD.gn
+++ b/webrtc/p2p/BUILD.gn
@@ -83,7 +83,6 @@
 
   deps = [
     "../base:rtc_base",
-    "../libjingle/xmllite",
   ]
 
   if (rtc_build_expat) {