remove websocket server dependency from the mojo spy

mojo/shell/context.cc

Index: mojo/shell/context.cc
diff --git a/mojo/shell/context.cc b/mojo/shell/context.cc
index 253f4b7d24d85bf6b2fc2498b2151b2ef238a697..7450840d2bc0ac7a23e8a6a727e4fb400f4e078c 100644
--- a/mojo/shell/context.cc
+++ b/mojo/shell/context.cc
@@ -222,6 +222,9 @@ void Context::Init() {
     spy_.reset(
         new mojo::Spy(&application_manager_,
                       command_line->GetSwitchValueASCII(switches::kSpy)));
+    // TODO(cpu): the spy can snoop, but can't tell anybody until
+    // the Spy::WebSocketDelegate is implemented. In the original repo this
+    // was implemented by src\mojo\spy\websocket_server.h and .cc.
   }
 
 #if defined(OS_ANDROID)