fixed scheduler in vault. insert borderline reference

user/app1/appl.cc

@@ -9,9 +9,7 @@
 #include "../../interrupt/guard.h"
 #include "../../debug/output.h"
 #include "../../arch/context.h"
-#include "../../thread/scheduler.h"
 
-extern Scheduler sch;
 static uint8_t appl_cnt = 0;
 
 char text[] = "Ich mag\n\
@@ -57,12 +55,6 @@ void Application::action() {  // NOLINT
 		//Core::pause();
 		//activeWaitDelay(10000000);
 
-
-		//{
-		//	Guarded g = Guard::enter();
-		//	sch.resume(true);
-		//}
-
 		if(cnt >= sizeof(text)-1)
 			cnt=0;
 		//context_switch(test2,test1);