import just the particular instructure-ui / instructure-icon modules we
need, so that we don't get everything in the webpack bundle. also tweak
webpack config so people can't make this mistake again.
67d7ec7197 caused several bundles to balloon in size by a couple MB. this
gets us back down to sane levels (and many bundles are now smaller)
test plan:
specs? ¯\_(ツ)_/¯
Change-Id: I92b859063f56c672b85ec63f5c61ffd17735ced4
Reviewed-on: https://gerrit.instructure.com/107504
Tested-by: Jenkins
Reviewed-by: Jennifer Stern <jstern@instructure.com>
Product-Review: Jon Jensen <jon@instructure.com>
QA-Review: Jon Jensen <jon@instructure.com>