Remove DRT.gyp from chromium build. The target is moving to WebKit.gyp.

TBR=tkent

Review URL: http://codereview.chromium.org/2031006

git-svn-id: http://src.chromium.org/svn/trunk/src/build@46884 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

all.gyp

@@ -40,7 +40,6 @@
         '../third_party/ots/ots.gyp:*',
         '../third_party/sqlite/sqlite.gyp:*',
         '../third_party/WebKit/WebKit/chromium/WebKit.gyp:*',
-        '../third_party/WebKit/WebKitTools/DumpRenderTree/DumpRenderTree.gyp/DumpRenderTree.gyp:*',
         '../third_party/zlib/zlib.gyp:*',
         '../webkit/webkit.gyp:*',
         'util/build_util.gyp:*',