staging: olpc_dcon: remove pointless debug printk in dcon_freeze_store()

This printk doesn't really add anything worthwhile.

Signed-off-by: Shurong Zhang <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/olpc_dcon/olpc_dcon.c

···
 	if (ret)
 		return ret;
 
-	pr_info("dcon_freeze_store: %lu\n", output);
-
 	switch (output) {
 	case 0:
 		dcon_set_source(dcon, DCON_SOURCE_CPU);