fbcon: remove no-op fbcon_set_origin()

We don't need to call vc->vc_sw->con_set_origin() from set_origin()
if it is no-op.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Link: https://lore.kernel.org/r/20200915000019.3422-3-penguin-kernel@I-love.SAKURA.ne.jp
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Tetsuo Handa

drivers/video/fbdev/core/fbcon.c

@@ -163,8 +163,6 @@ static const struct consw fb_con;
 
 #define advance_row(p, delta) (unsigned short *)((unsigned long)(p) + (delta) * vc->vc_size_row)
 
-static int fbcon_set_origin(struct vc_data *);
-
 static int fbcon_cursor_noblink;
 
 #define divides(a, b)	((!(a) || (b)%(a)) ? 0 : 1)
@@ -2635,11 +2633,6 @@ static void fbcon_invert_region(struct vc_data *vc, u16 * p, int cnt)
 	}
 }
 
-static int fbcon_set_origin(struct vc_data *vc)
-{
-	return 0;
-}
-
 void fbcon_suspended(struct fb_info *info)
 {
 	struct vc_data *vc = NULL;
@@ -3110,7 +3103,6 @@ static const struct consw fb_con = {
 	.con_font_default	= fbcon_set_def_font,
 	.con_font_copy 		= fbcon_copy_font,
 	.con_set_palette 	= fbcon_set_palette,
-	.con_set_origin 	= fbcon_set_origin,
 	.con_invert_region 	= fbcon_invert_region,
 	.con_screen_pos 	= fbcon_screen_pos,
 	.con_getxy 		= fbcon_getxy,