tests: fast_pair: Ensure reset in progress flag is deleted

Change ensures that reset in progress flag is deleted during the Fast
Pair factory reset operation.

Jira: NCSDK-20219

Signed-off-by: Marek Pieta <Marek.Pieta@nordicsemi.no>

tests/subsys/bluetooth/fast_pair/storage/factory_reset/src/main.c

@@ -182,35 +182,6 @@ static int fp_settings_data_validate_empty_cb(const char *key, size_t len, setti
  return 0;
  }
 
- if (!strncmp(key, SETTINGS_RESET_IN_PROGRESS_FULL_NAME,
- sizeof(SETTINGS_RESET_IN_PROGRESS_FULL_NAME))) {
- int rc;
- bool reset_in_progress;
-
- if (len != sizeof(reset_in_progress)) {
- *err = -EINVAL;
- return *err;
- }
-
- rc = read_cb(cb_arg, &reset_in_progress, len);
- if (rc < 0) {
- *err = rc;
- return *err;
- }
-
- if (rc != len) {
- *err = -EINVAL;
- return *err;
- }
-
- if (reset_in_progress) {
- *err = -EFAULT;
- return *err;
- }
-
- return 0;
- }
-
  *err = -EFAULT;
  return *err;
 }