remove unused imports for v1.8.0 release (#101)

Author: RandomFractals

src/renderer/dataSummaryRenderer.ts

@@ -4,8 +4,6 @@ import type {
 } from 'vscode-notebook-renderer';
 import {OutputLoader} from './outputLoader';
 import './styles.css';
-const htl = require('htl');
-const inputs = require('@observablehq/inputs');
 const dataSummary = require('./dataSummaryView.js');
 
 /**

src/renderer/dataTableRenderer.ts

@@ -4,7 +4,6 @@ import type {
 } from 'vscode-notebook-renderer';
 import { OutputLoader } from './outputLoader';
 import './styles.css';
-const htl = require('htl');
 const inputs = require('@observablehq/inputs');