Reduce packaged size of extensions (#4300)

* reduce output of notebooks

* reduce size of azurecore

* update mssql extensions to be webpacked

* formatting

* remove commented code

* fix packaged config

* fix mssql packing

extensions/azurecore/src/typings/ref.d.ts

@@ -6,4 +6,4 @@
 /// <reference path='../../../../src/vs/vscode.d.ts'/>
 /// <reference path='../../../../src/sql/azdata.d.ts'/>
 /// <reference path='../../../../src/sql/azdata.proposed.d.ts'/>
-/// <reference types='@types/node'/>
+/// <reference types='@types/node'/>