Revert "install.sh: create ~/.config/rclone directory"

This reverts commit d694bb30e5.

If it creates a config directory then it leaves it owned by root which
is very confusing for new users.

docs/content/install.sh

@@ -187,8 +187,6 @@ esac
 
 #update version variable post install
 version=`rclone --version 2>>errors | head -n 1`
-#create the directory for the default configuration folder
-mkdir $HOME/.config/rclone -p
 
 printf "\n${version} has successfully installed."
 printf '\nNow run "rclone config" for setup. Check https://rclone.org/docs/ for more details.\n\n'