Update var names and remove obsolete warning

ground/src/main/java/com/google/android/ground/ui/datacollection/tasks/location/CaptureLocationTaskMapFragment.kt

@@ -30,20 +30,17 @@ import kotlinx.coroutines.launch
 @AndroidEntryPoint
 class CaptureLocationTaskMapFragment @Inject constructor() : AbstractMapFragmentWithControls() {
 
-  private lateinit var mapViewModel: CaptureLocationTaskMapViewModel
-  private val viewModel: CaptureLocationTaskViewModel by lazy {
-    // Access to this viewModel is lazy for testing. This is because the NavHostController could
-    // not be initialized before the Fragment under test is created, leading to
-    // hiltNavGraphViewModels() to fail when called on launch.
+  private lateinit var viewModel: CaptureLocationTaskMapViewModel
+  private val parentViewModel: CaptureLocationTaskViewModel by lazy {
     dataCollectionViewModel.getTaskViewModel(taskId) as CaptureLocationTaskViewModel
   }
 
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
-    mapViewModel = getViewModel(CaptureLocationTaskMapViewModel::class.java)
+    viewModel = getViewModel(CaptureLocationTaskMapViewModel::class.java)
   }
 
-  override fun getMapViewModel(): BaseMapViewModel = mapViewModel
+  override fun getMapViewModel(): BaseMapViewModel = viewModel
 
   override fun onCreateView(
     inflater: LayoutInflater,
@@ -52,13 +49,13 @@ class CaptureLocationTaskMapFragment @Inject constructor() : AbstractMapFragment
   ): View {
     val root = super.onCreateView(inflater, container, savedInstanceState)
     viewLifecycleOwner.lifecycleScope.launch {
-      getMapViewModel().getLocationUpdates().collect { viewModel.updateLocation(it) }
+      getMapViewModel().getLocationUpdates().collect { parentViewModel.updateLocation(it) }
     }
     return root
   }
 
   override fun onMapReady(map: MapFragment) {
     super.onMapReady(map)
-    viewLifecycleOwner.lifecycleScope.launch { viewModel.onMapReady(mapViewModel) }
+    viewLifecycleOwner.lifecycleScope.launch { parentViewModel.onMapReady(viewModel) }
   }
 }