I will type it out again.
This time will be a single string with some added messaging.
cd ~/.config && for j in plasma*; do mv -- "$j" "${j%}.bak"; done && mv Trolltech.conf Trolltech.conf.bak && rm -rf ~/.cache/* && kbuildsycoca6 --noincremental && cd ~ && echo -e "\nFinished Clearing Plasma Settings and User Cache.\n\nPlease Reboot.\n"