Removes SampleTreeVisualizer

extension/ui/src/Visualizers/TreeVisualizer/SampleTreeVisualizer.tsx

@@ -1,38 +0,0 @@
-import { TreeViewModel, TreeNodeViewModel, TreeWithPathView } from "./Views";
-import React = require("react");
-
-export function SampleTreeVisualizer() {
-	interface SampleTreeNode {
-		parentPropertyName: string | undefined;
-		name: string;
-		children: SampleTreeNode[];
-	}
-
-	const data = require("./sample-input.json") as SampleTreeNode;
-
-	const m = new TreeViewModel();
-	m.root = createModel(data, m);
-	m.root.children[0].children[4].children[1].children[0].isMarked = true;
-
-	function createModel(
-		root: SampleTreeNode,
-		viewModel: TreeViewModel
-	): TreeNodeViewModel {
-		const children: TreeNodeViewModel[] = root.children.map(c =>
-			createModel(c, viewModel)
-		);
-		const model = new TreeNodeViewModel(
-			viewModel,
-			root.parentPropertyName,
-			root.name,
-			undefined,
-			children
-		);
-		for (const c of children) {
-			c.parent = model;
-		}
-		return model;
-	}
-
-	return <TreeWithPathView model={m} />;
-}