crypto: gf128mul - remove leftover "(EXPERIMENTAL)" in Kconfig

CRYPTO_GF128MUL does not select EXPERIMENTAL anymore so remove the
"(EXPERIMENTAL)" from its name.
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

crypto/Kconfig

@@ -117,7 +117,7 @@ config CRYPTO_MANAGER_DISABLE_TESTS
 	  algorithm registration.
 
 config CRYPTO_GF128MUL
-	tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
+	tristate "GF(2^128) multiplication functions"
 	help
 	  Efficient table driven implementation of multiplications in the
 	  field GF(2^128).  This is needed by some cypher modes. This