zsh: remove fks debugging

zsh/fks.zsh

@@ -142,7 +142,6 @@ function _fks() {
     "1:database:->db" \
     "2:table:->table"
 
-  echo "$words[2]" > out.txt
   case "$state" in
     db)
       _alternative "databases:database:($(psql --no-psqlrc --tuples-only -c $dbquery))"