crypto: scomp - delete unused comments

There are no init and exit callbacks, so delete its comments.

Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/crypto/internal/scompress.h b/include/crypto/internal/scompress.h
index ccad9b2..0f6ddac 100644
--- a/include/crypto/internal/scompress.h
+++ b/include/crypto/internal/scompress.h
@@ -28,17 +28,6 @@
  * @free_ctx:	Function frees context allocated with alloc_ctx
  * @compress:	Function performs a compress operation
  * @decompress:	Function performs a de-compress operation
- * @init:	Initialize the cryptographic transformation object.
- *		This function is used to initialize the cryptographic
- *		transformation object. This function is called only once at
- *		the instantiation time, right after the transformation context
- *		was allocated. In case the cryptographic hardware has some
- *		special requirements which need to be handled by software, this
- *		function shall check for the precise requirement of the
- *		transformation and put any software fallbacks in place.
- * @exit:	Deinitialize the cryptographic transformation object. This is a
- *		counterpart to @init, used to remove various changes set in
- *		@init.
  * @base:	Common crypto API algorithm data structure
  */
 struct scomp_alg {