Clean up some unused delay related stuff.

dda_queue.c

@@ -94,7 +94,7 @@ void queue_step() {
 void enqueue_home(TARGET *t, uint8_t endstop_check, uint8_t endstop_stop_cond) {
 	// don't call this function when the queue is full, but just in case, wait for a move to complete and free up the space for the passed target
 	while (queue_full())
-		delay(WAITING_DELAY);
+		delay(100);
 
 	uint8_t h = mb_head + 1;
 	h &= (MOVEBUFFER_SIZE - 1);

delay.h

@@ -5,8 +5,6 @@
 #include	<util/delay_basic.h>
 #include	"watchdog.h"
 
-#define		WAITING_DELAY		100
-
 #if F_CPU < 4000000UL
 #error Delay functions only work with F_CPU >= 4000000UL 
 #endif

home.c

@@ -6,7 +6,6 @@
 
 #include	"dda.h"
 #include	"dda_queue.h"
-#include	"delay.h"
 #include	"pinio.h"
 #include	"gcode_parse.h"
 

temp.c

@@ -11,7 +11,6 @@
 #include	<avr/pgmspace.h>
 
 #include	"arduino.h"
-#include	"delay.h"
 #include	"debug.h"
 #ifndef	EXTRUDER
 	#include	"sersendf.h"