Revert "fbcon: Use kzalloc() in fbcon_prepare_logo()"

This reverts commit a6a00d7e8ffd78d1cdb7a43f1278f081038c638f.

This commit is redundant, as the root cause that resulted in a false
positive was fixed by commit 27f644dc5a77f8d9 ("x86: kmsan: use C
versions of memset16/memset32/memset64").

Closes: https://lore.kernel.org/r/[e-mail]/
Signed-off-by: Geert Uytterhoeven <[e-mail]>
Reviewed-by: Javier Martinez Canillas <[e-mail]>
Signed-off-by: Javier Martinez Canillas <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/bd8b7[e-mail]

drivers/video/fbdev/core/fbcon.c

···
 		if (scr_readw(r) != vc->vc_video_erase_char)
 			break;
 	if (r != q && new_rows >= rows + logo_lines) {
-		save = kzalloc(array3_size(logo_lines, new_cols, 2),
+		save = kmalloc(array3_size(logo_lines, new_cols, 2),
 			       GFP_KERNEL);
 		if (save) {
 			int i = min(cols, new_cols);