💥 Rename def-package! -> use-package!

Calling this pivotal macro "def-package!" has frequently been a source
of confusion. It is a thin wrapper around use-package, and it should be
obvious that it is so. For this reason, and to match the naming
convention used with other convenience macros/wrappers, it is now
use-package!.

Also changes def-package-hook! -> use-package-hook!

The old macros are now marked obsolete and will be removed when straight
integration is merged.

modules/lang/java/+eclim.el

@@ -3,7 +3,7 @@
 
 ;; NOTE This submodule is incomplete
 
-(def-package! eclim
+(use-package! eclim
   :hook (java-mode . eclim-mode)
   :config
   (set-lookup-handlers! 'java-mode
@@ -43,7 +43,7 @@
           "u"  #'eclim-project-update)))
 
 
-(def-package! company-emacs-eclim
+(use-package! company-emacs-eclim
   :when (featurep! :completion company)
   :after java-mode
   :config

modules/lang/java/+lsp.el

@@ -1,7 +1,7 @@
 ;;; lang/java/+lsp.el -*- lexical-binding: t; -*-
 ;;;###if (featurep! +lsp)
 
-(def-package! lsp-java
+(use-package! lsp-java
   :after-call java-mode
   :init (add-hook 'java-mode-local-vars-hook #'lsp!)
   :config

modules/lang/java/+meghanada.el

@@ -1,7 +1,7 @@
 ;;; lang/java/+meghanada.el -*- lexical-binding: t; -*-
 ;;;###if (featurep! +meghanada)
 
-(def-package! meghanada
+(use-package! meghanada
   :hook (java-mode . meghanada-mode)
   :init
   (setq meghanada-server-install-dir (concat doom-etc-dir "meghanada-server/")

modules/lang/java/config.el

@@ -30,7 +30,7 @@ If the depth is 2, the first two directories are removed: net.lissner.game.")
 ;;
 ;; Common packages
 
-(def-package! android-mode
+(use-package! android-mode
   :commands android-mode
   :init
   (add-hook! (java-mode groovy-mode nxml-mode) #'+java|android-mode-maybe)
@@ -38,7 +38,7 @@ If the depth is 2, the first two directories are removed: net.lissner.game.")
   (set-yas-minor-mode! 'android-mode))
 
 
-(def-package! groovy-mode
+(use-package! groovy-mode
   :mode "\\.g\\(?:radle\\|roovy\\)$"
   :config
   (set-eval-handler! 'groovy-mode "groovy"))