Minor changes.

packages/all-packages/src/index.ts

@@ -54,4 +54,4 @@ import "@jupyterlab/theme-dark-extension";
 import "@jupyterlab/theme-light-extension";
 import "@jupyterlab/tooltip";
 import "@jupyterlab/tooltip-extension";
-import "@jupyterlab/vega";
+import "@jupyterlab/vega";

packages/vega/typings/vega-embed/vega-embed.d.ts

@@ -1,5 +1,3 @@
-
-
 declare module 'vega-embed' {
     function embed(el: any, opt: any, callback: any): any;
     export = embed;