update vscode-nls-dev to fixed version, share more config between extensions

extensions/git/extension.webpack.config.js

@@ -8,7 +8,6 @@
 'use strict';
 
 const withDefaults = require('../shared.webpack.config');
-const CopyWebpackPlugin = require('copy-webpack-plugin');
 
 module.exports = withDefaults({
 	context: __dirname,
@@ -18,11 +17,5 @@ module.exports = withDefaults({
 	entry: {
 		main: './src/main.ts',
 		['askpass-main']: './src/askpass-main.ts'
-	},
-	plugins: [
-		new CopyWebpackPlugin([
-			{ from: './out/*.sh', to: '[name].sh' },
-			{ from: './out/nls.*.json', to: '[name].json' }
-		])
-	]
+	}
 });