vim(refactor): don't bother with :packloadall
vim(refactor): don't bother with :packloadall

As the help states:

    This is normally done automatically during startup,
    after loading your .vimrc file.  With this command it
    can be done earlier.

As our `:packloadall` is basically the last command in the .vimrc
anyway, this is effectively doing nothing special for us.

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