tty: xtensa/iss, drop serial_version & serial_name

There is no need to print the information during module load. Neither to
print some artificial version. So drop these strings and a print.

Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: linux-xtensa@linux-xtensa.org
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210302062214.29627-29-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/xtensa/platforms/iss/console.c

@@ -37,9 +37,6 @@ static struct timer_list serial_timer;
 
 static DEFINE_SPINLOCK(timer_lock);
 
-static char *serial_version = "0.1";
-static char *serial_name = "ISS serial driver";
-
 /*
  * This routine is called whenever a serial port is opened.  It
  * enables interrupts for a serial port, linking in its async structure into
@@ -149,7 +146,7 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout)
 
 static int rs_proc_show(struct seq_file *m, void *v)
 {
-	seq_printf(m, "serinfo:1.0 driver:%s\n", serial_version);
+	seq_printf(m, "serinfo:1.0 driver:0.1\n");
 	return 0;
 }
 
@@ -172,8 +169,6 @@ int __init rs_init(void)
 
 	serial_driver = alloc_tty_driver(SERIAL_MAX_NUM_LINES);
 
-	pr_info("%s %s\n", serial_name, serial_version);
-
 	/* Initialize the tty_driver structure */
 
 	serial_driver->driver_name = "iss_serial";