Consolidate #include <sys/time.h> so libbb.h does it.

init/init.c

@@ -91,7 +91,6 @@ struct serial_struct {
  */
 #define CORE_ENABLE_FLAG_FILE "/.init_enable_core"
 #include <sys/resource.h>
-#include <sys/time.h>
 #endif
 
 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))