no_bsp/include/bsp.h: Remove rtems_bsp_delay()

c/src/lib/libbsp/no_cpu/no_bsp/include/bsp.h

@@ -3,7 +3,9 @@
  *  This include file contains all board IO definitions.
  *
  *  XXX : put yours in here
- *
+ */
+
+/*
  *  COPYRIGHT (c) 1989-1999.
  *  On-Line Applications Research Corporation (OAR).
  *
@@ -26,15 +28,6 @@ extern "C" {
 #include <rtems/console.h>
 #include <rtems/clockdrv.h>
 
-/*
- *  Simple spin delay in microsecond units for device drivers.
- *  This is very dependent on the clock speed of the target.
- */
-
-#define rtems_bsp_delay( microseconds ) \
-  { \
-  }
-
 /* functions */
 
 rtems_isr_entry set_vector(                     /* returns old vector */