[CRYPTO] skcipher: Fix section mismatches

The previous patch to move chainiv and eseqiv into blkcipher created
a section mismatch for the chainiv exit function which was also called
from __init.  This patch removes the __exit marking on it.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/chainiv.c

@@ -318,10 +318,8 @@ int __init chainiv_module_init(void)
 {
 	return crypto_register_template(&chainiv_tmpl);
 }
-EXPORT_SYMBOL_GPL(chainiv_module_init);
 
-void __exit chainiv_module_exit(void)
+void chainiv_module_exit(void)
 {
 	crypto_unregister_template(&chainiv_tmpl);
 }
-EXPORT_SYMBOL_GPL(chainiv_module_exit);