Oops. Backout some debug code that was accidentally committed.

configs/sim/src/sim_appinit.c

@@ -70,11 +70,10 @@
  *   any failure to indicate the nature of the failure.
  *
  ****************************************************************************/
-#include <stdio.h>
+
 #ifdef CONFIG_LIB_BOARDCTL
 int board_app_initialize(uintptr_t arg)
 {
-lib_dumpbuffer("stdin", stdin, sizeof(FILE));
 #ifndef CONFIG_BOARD_INITIALIZE
   sim_bringup();
 #endif