ttyprintk: remove redundant initialization of variable i

The variable i is being initialized with a value that is never read,
it is being updated later on.  The assignment is redundant and can be
removed.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Addresses-Coverity: ("Unused value")
Link: https://lore.kernel.org/r/20210518182126.140978-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/char/ttyprintk.c

@@ -52,7 +52,7 @@ static void tpk_flush(void)
 
 static int tpk_printk(const unsigned char *buf, int count)
 {
-	int i = tpk_curr;
+	int i;
 
 	for (i = 0; i < count; i++) {
 		if (tpk_curr >= TPK_STR_SIZE) {