Replace all /home/themiro/ path references with $HOME equivalents
across .zshrc, monitorhandler.sh (now derives path from script
location), gtk bookmarks, spicetify config, ulauncher generated CSS,
and nvim init.lua.old.
Delete commented-out AWS signed URL with embedded credentials from
setup/deprecated/hyprland.sh.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>