cleanup: remove dead code in Api/Process.hpp, remove redundant logtest program

programs/src/logtest/main.cpp

@@ -1,8 +0,0 @@
-#include <montauk/syscall.h> 
-
-extern "C" void _start() {
-
-    montauk::write_log("testapp", "hello, logging world!");
-
-    montauk::exit(0);
-}