Remove third_party/active_doc now that Chrome Frame is gone.

third_party/active_doc/LICENSE

-MICROSOFT LIMITED PUBLIC LICENSE
-
-This license governs use of code marked as “sample” or “example” available on
-this web site without a license agreement, as provided under the section above
-titled “NOTICE SPECIFIC TO SOFTWARE AVAILABLE ON THIS WEB SITE.” If you use
-such code (the “software”), you accept this license. If you do not accept the
-license, do not use the software.
-
-
-1. Definitions
-
-The terms “reproduce,” “reproduction,” “derivative works,” and “distribution”
-have the same meaning here as under U.S. copyright law.
-
-A “contribution” is the original software, or any additions or changes to the
-software.
-
-A “contributor” is any person that distributes its contribution under this
-license.
-
-“Licensed patents” are a contributor’s patent claims that read directly on its
-contribution.
-
-
-2. Grant of Rights
-
-(A) Copyright Grant - Subject to the terms of this license, including the
-license conditions and limitations in section 3, each contributor grants you a
-non-exclusive, worldwide, royalty-free copyright license to reproduce its
-contribution, prepare derivative works of its contribution, and distribute its
-contribution or any derivative works that you create.
-
-(B) Patent Grant - Subject to the terms of this license, including the license
-conditions and limitations in section 3, each contributor grants you a
-non-exclusive, worldwide, royalty-free license under its licensed patents to
-make, have made, use, sell, offer for sale, import, and/or otherwise dispose
-of its contribution in the software or derivative works of the contribution in
-the software.
-
-
-3. Conditions and Limitations
-
-(A) No Trademark License- This license does not grant you rights to use any
-contributors’ name, logo, or trademarks.
-
-(B) If you bring a patent claim against any contributor over patents that you
-claim are infringed by the software, your patent license from such contributor
-to the software ends automatically.
-
-(C) If you distribute any portion of the software, you must retain all
-copyright, patent, trademark, and attribution notices that are present in the
-software.
-
-(D) If you distribute any portion of the software in source code form, you may
-do so only under this license by including a complete copy of this license
-with your distribution. If you distribute any portion of the software in
-compiled or object code form, you may only do so under a license that complies
-with this license.
-
-(E) The software is licensed “as-is.” You bear the risk of using it. The
-contributors give no express warranties, guarantees or conditions. You may
-have additional consumer rights under your local laws which this license
-cannot change. To the extent permitted under your local laws, the contributors
-exclude the implied warranties of merchantability, fitness for a particular
-purpose and non-infringement.
-
-(F) Platform Limitation - The licenses granted in sections 2(A) and 2(B)
-extend only to the software or derivative works that you create that run on a
-Microsoft Windows operating system product.