fbdev/sa1100fb: Remove dead code

Motivated because it contains a struct display, which is a fbcon
internal data structure that I want to rename. It seems to have been
formerly used in drivers, but that's very long time ago.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528090304.9388-6-daniel.vetter@ffwll.ch

drivers/video/fbdev/sa1100fb.c

@@ -974,35 +974,10 @@ static void sa1100fb_task(struct work_struct *w)
  */
 static unsigned int sa1100fb_min_dma_period(struct sa1100fb_info *fbi)
 {
-#if 0
-	unsigned int min_period = (unsigned int)-1;
-	int i;
-
-	for (i = 0; i < MAX_NR_CONSOLES; i++) {
-		struct display *disp = &fb_display[i];
-		unsigned int period;
-
-		/*
-		 * Do we own this display?
-		 */
-		if (disp->fb_info != &fbi->fb)
-			continue;
-
-		/*
-		 * Ok, calculate its DMA period
-		 */
-		period = sa1100fb_display_dma_period(&disp->var);
-		if (period < min_period)
-			min_period = period;
-	}
-
-	return min_period;
-#else
 	/*
 	 * FIXME: we need to verify _all_ consoles.
 	 */
 	return sa1100fb_display_dma_period(&fbi->fb.var);
-#endif
 }
 
 /*