fix: stop mapping isDead label on patient detail

Removing the death_indicator transform keeps GET /api/patient/{id} from exposing isDeadLabel while still returning the raw flag.

app/Models/Patient/PatientModel.php

@@ -88,7 +88,6 @@ class PatientModel extends BaseModel {
       'Race' => 'race',
       'Religion' => 'religion',
       'Ethnic' => 'ethnic',
-      'isDead' => 'death_indicator',
       'MaritalStatus' => 'marital_status',
     ])[0];