[milo] Delete up-resultui make target.
[milo] Delete up-resultui make target.

This is now deployed automatically with the rest of Milo.

Change-Id: Ia950462efa0e80bcb6eea31bba120cc684508faa
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/2186783
Auto-Submit: Joey Scarr <e609d4c46132d2dea94acf5ac2b9f229ffc1f245@chromium.org>
Commit-Queue: Weiwei Lin <968518a24f41fef00b747498600e52b792d06ae0@google.com>
Reviewed-by: Weiwei Lin <968518a24f41fef00b747498600e52b792d06ae0@google.com>

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go