Remove unused metric points update route

Author: jbrooksuk

routes/api.php

@@ -59,7 +59,7 @@
         ->scoped(['updateable_id']);
 
     Route::apiResource('metrics.points', MetricPointController::class, [
-        'except' => ['index', 'show'],
+        'except' => ['index', 'show', 'update'],
     ])
         ->parameter('points', 'metricPoint')
         ->scoped();