Adapter class: unused includes

src/Adapter.cc

@@ -3,14 +3,11 @@
 
 #include "Adapter.hh"
 #include <sstream>
-#include <iomanip>
-#include <assert.h>
 #include "status_to_string.hh"
 #include <pEp/pEpLog.hh>
 #include "passphrase_cache.hh"
 #include "callback_dispatcher.hh"
 #include "group_manager_api.h"
-#include <iostream>
 
 using namespace std;