correct CSN for picopass

seader_credential.c

@@ -384,7 +384,6 @@ bool seader_credential_save_agnostic(SeaderCredential* cred, const char* name) {
 
 bool seader_credential_save_picopass(SeaderCredential* cred, const char* name) {
     uint8_t zero[PICOPASS_BLOCK_LEN] = {0};
-    uint8_t csn[PICOPASS_BLOCK_LEN] = {0x7a, 0xf5, 0x31, 0x13, 0xfe, 0xff, 0x12, 0xe0};
     uint8_t cfg[PICOPASS_BLOCK_LEN] = {0x12, 0xff, 0xff, 0xff, 0x7f, 0x1f, 0xff, 0x3c};
     uint8_t epurse[PICOPASS_BLOCK_LEN] = {0xff, 0xff, 0xff, 0xff, 0xe3, 0xff, 0xff, 0xff};
     uint8_t debit_key[PICOPASS_BLOCK_LEN] = {0xe3, 0xf3, 0x07, 0x84, 0x4a, 0x0b, 0x62, 0x04};
@@ -421,20 +420,12 @@ bool seader_credential_save_picopass(SeaderCredential* cred, const char* name) {
             furi_string_printf(temp_str, "Block %d", i);
             switch(i) {
             case CSN_INDEX:
-                // TODO: Is there any practical difference here?  If so, document.
-                if(withSIO) {
-                    if(!flipper_format_write_hex(
-                           file,
-                           furi_string_get_cstr(temp_str),
-                           cred->diversifier,
-                           PICOPASS_BLOCK_LEN)) {
-                        block_saved = false;
-                    }
-                } else {
-                    if(!flipper_format_write_hex(
-                           file, furi_string_get_cstr(temp_str), csn, sizeof(csn))) {
-                        block_saved = false;
-                    }
+                if(!flipper_format_write_hex(
+                       file,
+                       furi_string_get_cstr(temp_str),
+                       cred->diversifier,
+                       PICOPASS_BLOCK_LEN)) {
+                    block_saved = false;
                 }
                 break;
             case EPURSE_INDEX: