[aur-general] Merge request for plasma-runcommand-plasmoid

Following the request of cleaning KDE plasmoids on AUR, please merge plasma-runcommand-plasmoid[1] into kdeplasma-applets-runcommand[2]. Also, please remove kdeplasma-applet-runcommand[3] uploaded by me. It is an accident. [1] https://aur.archlinux.org/packages.php?ID=20845 [2] https://aur.archlinux.org/packages.php?ID=60907 [3] https://aur.archlinux.org/packages.php?ID=60906