fix prune_installed function
fix prune_installed function

kodybrown/scoop,systemexitzero/scoop,vinaynambiar/lukesampson-,ShwoognationHQ/scoop,barohatoum/scoop,nueko/scoop,coonce/scoop,rivy/ladle,bcomnes/scoop,Congee/scoop,Cyianor/scoop,devoncarew/scoop,huncrys/scoop,barohatoum/scoop,lukesampson/scoop,yunspace/scoop,r15ch13/scoop,rivy/ladle,rivy/scoop,pacificcoast/scoop,huncrys/scoop,rmyorston/scoop,rodericktech/scoop,bpollack/scoop,ErnWong/scoop,saildata/scoop,dennislloydjr/scoop,guillermooo-forks/scoop,deepwaterdiver/scoop,reelsense/scoop,nikolasd/scoop,vidarkongsli/scoop,berwyn/scoop,rasa/scoop,pacificcoast/scoop,moigagoo/scoop,dennislloydjr/scoop,deevus/scoop-powershell2,seonho/scoop,damnhandy/scoop,toxeus/scoop,deepwaterdiver/scoop,DarylWright/scoop