Remove uneeded cast to unsigned int

CLA: trivial

cipher_ctx->blocksize is already unsigned.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/23098)

engines/e_devcrypto.c

@@ -334,7 +334,7 @@ static int ctr_do_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
     }
 
     /* full blocks */
-    if (inl > (unsigned int) cipher_ctx->blocksize) {
+    if (inl > cipher_ctx->blocksize) {
         nblocks = inl/cipher_ctx->blocksize;
         len = nblocks * cipher_ctx->blocksize;
         if (cipher_do_cipher(ctx, out, in, len) < 1)