babel independence(4): storybook

refs FOO-2697
flag = none

this part concludes the dependence of canvas core on the InstUI babel
preset, but the config file / npm dependencies still need to remain
until some of the bad packages like k5uploader are migrated

~ test plan ~
  .........

- you can still run storybook

Change-Id: I5e87cd73879c4d0c0c4df7747b9a004db58d8d48
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/284119
Tested-by: Service Cloud Jenkins <svc.cloudjenkins@instructure.com>
Reviewed-by: Aaron Shafovaloff <ashafovaloff@instructure.com>
QA-Review: Aaron Shafovaloff <ashafovaloff@instructure.com>
Product-Review: Ahmad Amireh <ahmad@instructure.com>

.storybook/.babelrc.json

@@ -1,11 +0,0 @@
-{
-  "presets": [
-    [
-      "@instructure/ui-babel-preset",
-      {
-        "esModules": true,
-        "node": false
-      }
-    ]
-  ]
-}