Remove webrtc/base/scoped_ptr.h

This is a re-land of https://codereview.webrtc.org/1942823002

TBR=tommi@webrtc.org
BUG=webrtc:5520

Review-Url: https://codereview.webrtc.org/1966423002
Cr-Original-Commit-Position: refs/heads/master@{#12750}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: fd8be3468a2edf4ff1d2b064fcc388464f2c10d1
diff --git a/LICENSE_THIRD_PARTY b/LICENSE_THIRD_PARTY
index 50068ef..5a27606 100644
--- a/LICENSE_THIRD_PARTY
+++ b/LICENSE_THIRD_PARTY
@@ -14,9 +14,6 @@
 base/md5.c
 base/md5.h
 
-Governed by http://www.boost.org/LICENSE_1_0.txt (Boost license):
-base/scoped_ptr.h
-
 Governed by license within files (Public domain):
 Originally downloaded from http://svn.ghostscript.com/jbig2dec/tags/release_0_02/sha1.*
 base/sha1.c