Remove extra blank line

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
diff --git a/programs/psa/psa_hash.c b/programs/psa/psa_hash.c
index 18fefed..dd3bf74 100644
--- a/programs/psa/psa_hash.c
+++ b/programs/psa/psa_hash.c
@@ -24,7 +24,6 @@
  *  limitations under the License.
  */
 
-
 #include "psa/crypto.h"
 #include <string.h>
 #include <stdio.h>