Merge pull request 'Fix lag' (#112) from dev-wahyu into staging

Reviewed-on: ordo/adw-backend#112

app/Http/Controllers/ActivityController.php

@@ -251,17 +251,6 @@ class ActivityController extends Controller
 		$updateBobot = true;
 		if(!$data = Activity::find($id))
 			return response()->json(['status'=>'failed', 'action'=>'error','message'=>'Data not found!','code'=> 404], 404);
-		$link = Link::where('t_activity_id', $data->id)->get();
-		if ($link) {
-			foreach ($link as $linkData) {
-				$predecessor = Activity::find($linkData->s_activity_id);
-				$start = new DateTime($data->start_date);
-				$end = new DateTime($predecessor->end_date);
-        		$lag = $start->diff($end)->format('%a');
-				$linkData->lag = $lag;
-				$linkData->save();
-			}
-		}
 		$dataUpdate = $request->all();
 
 		$dataUpdate['name'] = $request->text;