m68k: mac: Remove dead code

Cc: Joshua Thompson <funaho@jurai.org>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Link: https://lore.kernel.org/r/effef6339c919a4ef2e81a47e4383f712cdd7626.1605847196.git.fthain@telegraphics.com.auSigned-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

arch/m68k/mac/via.c

@@ -304,21 +304,6 @@ void via_l2_flush(int writeback)
 	local_irq_restore(flags);
 }
 
-/*
- * Return the status of the L2 cache on a IIci
- */
-
-int via_get_cache_disable(void)
-{
-	/* Safeguard against being called accidentally */
-	if (!via2) {
-		printk(KERN_ERR "via_get_cache_disable called on a non-VIA machine!\n");
-		return 1;
-	}
-
-	return (int) via2[gBufB] & VIA2B_vCDis;
-}
-
 /*
  * Initialize VIA2 for Nubus access
  */