vim: remove old ebuild file post upgrade

This CL also upgrads vim-core to match the latest version of vim.

BUG=chromium:1248963
TEST=sudo emerge-zork vim

Change-Id: I3550691244120ebc20e743d004d5626a88cd673c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/3232958
Auto-Submit: Hardik Goyal <hardikgoyal@chromium.org>
Reviewed-by: Allen Webb <allenwebb@google.com>
Tested-by: Allen Webb <allenwebb@google.com>
Commit-Queue: Hardik Goyal <hardikgoyal@chromium.org>
7 files changed