clean tree.component html and css files

Author: David

src/app/tree/tree.component.css

@@ -1,4 +0,0 @@
-div {
- padding: 0 0 0 0;
- margin: 0 0 0 0;
-}

src/app/tree/tree.component.html

@@ -1,12 +1,3 @@
 <div *ngFor="let node of tree | async; let lastNode = last">
  <app-node-tree [node]="node" [parent]="" [lastNode]="lastNode"></app-node-tree>
- 
- <!--
- haure de fer algo aixi 
- <app-node-tree [node]="node" [lastParentNode]="lastParentNode" [lastNode]="lastNode"></app-node-tree>
- ngWhile(let (parent = getParent(node.idParent)).id != -1) {
- pintarem una linia i continua, si no es last
- pintarem una linia i fi, si es last
- } 
- -->
 </div>