crypto: ctr - no longer needs CRYPTO_SEQIV

As comment of the v2, Herbert said: "The SEQIV select from CTR is historical
and no longer necessary."

So let's get rid of it.
Signed-off-by: NCorentin Labbe <clabbe@baylibre.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

crypto/Kconfig

@@ -370,7 +370,6 @@ config CRYPTO_CFB
 config CRYPTO_CTR
 	tristate "CTR support"
 	select CRYPTO_SKCIPHER
-	select CRYPTO_SEQIV
 	select CRYPTO_MANAGER
 	help
 	  CTR: Counter mode