Remove references to libpeerconnection.

What used to be the libpeerconnection library is now compiled
statically into the Chromium binary, so clean up references it.

BUG=chromium:482123
TBR=tommi@webrtc.org

Review URL: https://codereview.webrtc.org/1399513002 .

Cr-Original-Commit-Position: refs/heads/master@{#10216}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 6ffc3309dee47b31ba118e41acc89a258c754c33
diff --git a/webrtc.gyp b/webrtc.gyp
index 13d88b3..c9b3ab5 100644
--- a/webrtc.gyp
+++ b/webrtc.gyp
@@ -119,8 +119,8 @@
         'rtc_event_log',
       ],
       'conditions': [
-        # TODO(andresp): Chromium libpeerconnection should link directly with
-        # this and no if conditions should be needed on webrtc build files.
+        # TODO(andresp): Chromium should link directly with this and no if
+        # conditions should be needed on webrtc build files.
         ['build_with_chromium==1', {
           'dependencies': [
             '<(webrtc_root)/modules/modules.gyp:video_capture',