Remove unnecessary setting of status variable

The status is guaranteed to be PSA_SUCCESS at these points, so setting
them is redundant.

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index dfb97ee..a671c7f 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -8413,7 +8413,6 @@
             goto exit;
     }
 
-    status = PSA_SUCCESS;
 exit:
     LOCAL_OUTPUT_FREE(output_external, output);
     if (status != PSA_SUCCESS) {
@@ -8491,7 +8490,6 @@
             goto exit;
     }
 
-    status = PSA_SUCCESS;
 exit:
     LOCAL_INPUT_FREE(input_external, input);
     if (status != PSA_SUCCESS) {