Deleting chart.js

Updates to the dashboard html
Test updates

gulpfile.js

@@ -55,10 +55,6 @@ const copy = {
   gtm: () => {
     return src(paths.src + 'js/gtm_head.js')
       .pipe(dest(paths.dist + 'js/'));
-  },
-  chart: () => {
-    return src(paths.src + 'js/chart.umd.js')
-      .pipe(dest(paths.dist + 'js/'));
   }
 };
 
@@ -206,8 +202,7 @@ const defaultTask = parallel(
     ),
     uswds.compile,
     uswds.copyAssets,
-    copy.gtm,
-    copy.chart
+    copy.gtm
   )
 );