soc: ixp4xx: Remove unused functions

These former inlines turn out to be unused in the kernel.
If they are needed in the future, they can be resurrected
by reverting or studying this commit.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/soc/ixp4xx/ixp4xx-qmgr.c

@@ -95,18 +95,6 @@ int qmgr_stat_below_low_watermark(unsigned int queue)
 	return __qmgr_get_stat1(queue) & QUEUE_STAT1_NEARLY_EMPTY;
 }
 
-/**
- * qmgr_stat_above_high_watermark() - checks if a queue is above high watermark
- * @queue:	queue number
- *
- * Returns non-zero value if the queue is above high watermark
- */
-static int qmgr_stat_above_high_watermark(unsigned int queue)
-{
-	BUG_ON(queue >= HALF_QUEUES);
-	return __qmgr_get_stat1(queue) & QUEUE_STAT1_NEARLY_FULL;
-}
-
 /**
  * qmgr_stat_full() - checks if a hardware queue is full
  * @queue:	queue number
@@ -121,17 +109,6 @@ int qmgr_stat_full(unsigned int queue)
 	return __qmgr_get_stat1(queue) & QUEUE_STAT1_FULL;
 }
 
-/**
- * qmgr_stat_underflow() - checks if a hardware queue experienced underflow
- * @queue:	queue number
- *
- * Returns non-zero value if the queue experienced underflow.
- */
-static int qmgr_stat_underflow(unsigned int queue)
-{
-	return __qmgr_get_stat2(queue) & QUEUE_STAT2_UNDERFLOW;
-}
-
 /**
  * qmgr_stat_overflow() - checks if a hardware queue experienced overflow
  * @queue:	queue number