[services/stsafea] delete duplicated verification

Author: Grolleau-Benjamin

services/stsafea/stsafea_data_partition.c

@@ -296,10 +296,6 @@ stse_ReturnCode_t stsafea_update_data_zone(stse_Handler_t *pSTSE,
     PLAT_UI8 rsp_header;
 
     /* - Check stsafe handler initialization */
-    if (pSTSE == NULL) {
-        return (STSE_SERVICE_HANDLER_NOT_INITIALISED);
-    }
-
     if (pSTSE == NULL) {
         return STSE_SERVICE_HANDLER_NOT_INITIALISED;
     }