[gnome-user-docs] help: Remove outdated Latvian screenshots

[Andre Klapper <aklapper src gnome org>]

commit c08e65f3e57eccaf5d10f391b7ce2775285f8597
Author: Andre Klapper <a9016009 gmx de>
Date:   Sun Mar 1 09:28:58 2020 +0100

    help: Remove outdated Latvian screenshots
    
    I'd prefer to update them for 3.36.0 instead, but gnome-shell strings
    in 3.35.x are not fully translated yet to Latvian, hence screenshots
    would still include English strings anyway.

 gnome-help/lv/figures/shell-appts.png | Bin 74328 -> 0 bytes
 gnome-help/lv/figures/shell-exit.png  | Bin 162557 -> 0 bytes
 2 files changed, 0 insertions(+), 0 deletions(-)