New API class.

src/App.h

@@ -36,7 +36,6 @@ namespace xmrig {
 
 class Console;
 class Controller;
-class Httpd;
 class Network;
 class Process;
 class Signals;
@@ -60,7 +59,6 @@ private:
 
     Console *m_console;
     Controller *m_controller;
-    Httpd *m_httpd;
     Signals *m_signals;
 };