fbcon: Remove obsolete reference to initmem_freed

initmem_freed was removed in v2.1.124, and the underlying issue was
fixed for good in commit 92b004d1 ("video/logo: prevent use of
logos after they have been freed").
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/b8b9147a48e233fe32e072f2085c7b413cd92a00.1654702835.git.geert+renesas@glider.be

drivers/video/fbdev/core/fbcon.c

@@ -2182,7 +2182,6 @@ static int fbcon_switch(struct vc_data *vc)
 	if (logo_shown == FBCON_LOGO_DRAW) {
 
 		logo_shown = fg_console;
-		/* This is protected above by initmem_freed */
 		fb_show_logo(info, ops->rotate);
 		update_region(vc,
 			      vc->vc_origin + vc->vc_size_row * vc->vc_top,