Merge pull request #28494 from nordfjord/patch-4

Crossfilter is not exposed globally, so let's not pretend it is

types/crossfilter/crossfilter-tests.ts

@@ -1,4 +1,4 @@
-
+import * as crossfilter from 'crossfilter';
 
 
 interface Payment {

types/crossfilter/index.d.ts

@@ -110,7 +110,6 @@ declare namespace CrossFilter {
     }
 }
 
-declare var crossfilter: CrossFilter.CrossFilterStatic;
 declare module "crossfilter" {
     var crossfilter: CrossFilter.CrossFilterStatic;
     export = crossfilter;    	

types/dc/dc-tests.ts

@@ -1,4 +1,4 @@
-import * as CrossFilter from 'crossfilter';
+import * as crossfilter from 'crossfilter';
 import * as d3 from "d3";
 import * as dc from "dc";