Major refactor: use-package-always-defer = nil & use :hook

Possibly breaking change: packages are no longer deferred by default.

Addresses #286

modules/feature/evil/config.el

@@ -21,7 +21,6 @@
 (autoload 'goto-last-change-reverse "goto-chg")
 
 (def-package! evil
-  :demand t
   :init
   (setq evil-want-C-u-scroll t
         evil-want-visual-char-semi-exclusive t

modules/feature/version-control/config.el

@@ -20,8 +20,7 @@
   (set! :evil-state 'vc-git-log-view-mode 'normal))
 
 (def-package! smerge-mode
-  :init
-  (add-hook 'find-file-hook #'+vcs|enable-smerge-mode-maybe)
+  :hook (find-file . +vcs|enable-smerge-mode-maybe)
   :config
   (when (version< emacs-version "26")
     (defalias #'smerge-keep-upper #'smerge-keep-mine)

modules/feature/workspaces/config.el

@@ -22,7 +22,6 @@ renamed.")
 ;;
 
 (def-package! persp-mode
-  :demand t
   :config
   (setq persp-autokill-buffer-on-remove 'kill-weak
         persp-nil-name "nil"