[fix] : remove typo

Author: watasuke102

channels/plasma/airootfs.any/root/customize_airootfs_plasma.sh

@@ -11,7 +11,6 @@
 remove "/home/${username}/.cache/icon-cache.kcache"
 
 # Add Calamares to favorite menu only for live
-/
 sqlite3 "/home/${username}/.local/share/kactivitymanagerd/resources/database" \
 "INSERT INTO 'ResourceLink' VALUES \
 (':global', 'org.kde.plasma.favorites.applications', 'applications:calamares.desktop');"