dev-install: stop installing package.provided into the rootfs profile

Now that dev-install manually injects this during setup at runtime,
we no longer need this in the /etc/portage profile on the rootfs.

BUG=chromium:920140
TEST=precq passes

Change-Id: I4a74589d7d5705e79c4a2247c9fcf045034f70bb
Reviewed-on: https://chromium-review.googlesource.com/1497657
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
1 file changed