crypto: acomp - Remove dst_free

Remove the unused dst_free hook.

Signed-off-by: Herbert Xu <[email protected]>

Author: herbertx

include/crypto/internal/acompress.h

@@ -17,7 +17,6 @@
  *
  * @compress:	Function performs a compress operation
  * @decompress:	Function performs a de-compress operation
- * @dst_free:	Frees destination buffer if allocated inside the algorithm
  * @init:	Initialize the cryptographic transformation object.
  *		This function is used to initialize the cryptographic
  *		transformation object. This function is called only once at
@@ -38,7 +37,6 @@
 struct acomp_alg {
 	int (*compress)(struct acomp_req *req);
 	int (*decompress)(struct acomp_req *req);
-	void (*dst_free)(struct scatterlist *dst);
 	int (*init)(struct crypto_acomp *tfm);
 	void (*exit)(struct crypto_acomp *tfm);