<C-u> doesn't behave as expected in insert mode

[mrwest808]

Is this a BUG REPORT or FEATURE REQUEST? (choose one):
BUG REPORT

What happened:
text |text + <C-u> deletes whole line.

What did you expect to happen:
Keep text after current position, i.e. |text.

How to reproduce it (as minimally and precisely as possible):
Press <C-u> on any line where the cursor position isn't at the end of the line.

Environment:

• Extension (VsCodeVim) version: v0.14.1
• VSCode version: v1.24.1
• OS version: macOS High Sierra v10.13.5

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First off, thanks for a great Vim implementation!

I categorized this as a BUG REPORT because I feel that the behavior differs from how <C-u> behaves in normal Vim. I'm working on a solution for this locally, will add a PR.

[mrwest808]

I just located the help text for <C-u> in Vim:

                                                        c_CTRL-U
CTRL-U          Remove all characters between the cursor position and
                the beginning of the line.  Previous versions of vim
                deleted all characters on the line.  If that is the
                preferred behavior, add the following to your .vimrc:
                        :cnoremap <C-U> <C-E><C-U>

Turns out that previous versions (I'm on 8.1) actually deleted the whole line, so I guess you could argue that this is more of a FEATURE REQUEST.

Either way, it would probably be preferable to update behavior to the current standard?