Spacemacs - disable flyspell by default

.spacemancs

  ;; Remove fly-spell for markdown and text-files.
  (remove-hook 'text-mode-hook 'enable-flyspell-mode)
  (remove-hook 'markdown-mode-hook 'enable-flyspell-mode)

packages.el

(defun spacemacs/init-flyspell ()
  (defun enable-flyspell-mode ()
    (flyspell-mode 1))
  (use-package flyspell
    :defer t
    :init
    (progn
      (setq-default ispell-program-name "aspell")
      (setq-default ispell-dictionary "english")
      (add-hook 'markdown-mode-hook 'enable-flyspell-mode)
      (add-hook 'text-mode-hook 'enable-flyspell-mode)
      (spacemacs|add-toggle spelling-checking
                            :status flyspell-mode
                            :on (flyspell-mode)
                            :off (flyspell-mode -1)
                            :documentation
                            "Enable flyspell for automatic spelling checking."
                            :evil-leader "ts"))
    :config
    (progn
      (flyspell-prog-mode)
      (spacemacs|diminish flyspell-mode " ⓢ" " s"))))