crypto: amlogic - Remove unused declaration meson_enqueue()

This function is never implemented and used since introduction in
commit 48fe583fe541 ("crypto: amlogic - Add crypto accelerator for
amlogic GXL").

Signed-off-by: Yue Haibing <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

drivers/crypto/amlogic/amlogic-gxl.h

···
 #endif
 };
 
-int meson_enqueue(struct crypto_async_request *areq, u32 type);
-
 int meson_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
 		     unsigned int keylen);
 int meson_cipher_init(struct crypto_tfm *tfm);