[dots-postupdate] don't update zinit now that it's gone

.local/dotsbin/dots-postupdate

@@ -11,11 +11,6 @@ if command -v pipx > /dev/null 2>&1; then
     pipx upgrade hikari
 fi
 
-if command -v zsh > /dev/null 2>&1; then
-    echo update zinit plugins
-    zsh -i -c "zinit update --all --quiet && zinit cclear"
-fi
-
 for i in ~/.mozilla/firefox/*/; do
     cp -v ~/.mozilla/Betterfox/user.js "$i"
 done