Crypto: Remove unnecessary debug log

The removed log is helpless as the information is incomplete.

Change-Id: I6ee8d469ae371c4c7f86310372912149bd69ef8b
Signed-off-by: Kevin Peng <kevin.peng@arm.com>
diff --git a/secure_fw/partitions/crypto/crypto_key_derivation.c b/secure_fw/partitions/crypto/crypto_key_derivation.c
index 50e12b7..4404af0 100644
--- a/secure_fw/partitions/crypto/crypto_key_derivation.c
+++ b/secure_fw/partitions/crypto/crypto_key_derivation.c
@@ -115,7 +115,6 @@
     if (err != TFM_PLAT_ERR_SUCCESS) {
         return PSA_ERROR_HARDWARE_FAILURE;
     }
-    LOG_DBGFMT("\033[0;32mcomplete.\033[0m\r\n");
 
     return psa_import_key(attributes, tls12_prf->MBEDTLS_PRIVATE(output_block),
                           bytes, key_id);