Remove som GYP annotations, remove unused manifest.

remoting/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//remoting/build/config/remoting_build.gni")
 
 group("remoting_all") {
   testonly = true
 
   deps = [
@@ skipping 58 matching lines @@
       deps += [ "//remoting/host:remoting_me2me_host_archive" ]
     }
   }
 
   if (enable_nacl) {
     deps += [ "//remoting/tools/javascript_key_tester" ]
   }
 }
 
 if (is_win) {
-  # GYP version: remoting/remoting_host_win.gypi:remoting_breakpad_tester
   executable("remoting_breakpad_tester") {
     deps = [
       "//base",
       "//build/win:default_exe_manifest",
       "//remoting/host",
     ]
 
     libs = []
 
     configs += [ "//build/config/compiler:wexit_time_destructors" ]
 
     sources = [
       "tools/breakpad_tester_win.cc",
     ]
 
     if (is_win) {
       libs += [
         "rpcrt4.lib",
         "wtsapi32.lib",
       ]
     }
   }
 }
 
-# GYP version: remoting/remoting_test.gypi:remoting_test_support
 group("test_support") {
   testonly = true
 
   deps = [
     "//base",
     "//net",
     "//remoting/base",
     "//remoting/client",
     "//remoting/codec",
     "//remoting/protocol:test_support",
@@ skipping 100 matching lines @@
     if (is_win) {
       defines += [ "_ALT_NO_EXCEPTIONS" ]
 
       libs += [
         "rpcrt4.lib",
         "wtsapi32.lib",
       ]
     }
   }
 }