style: Rename custom functions from slash to dash convention

lisp/init-completion.el

@@ -57,7 +57,7 @@
   :init
   (setq prefix-help-command 'embark-prefix-help-command)
   :config
-  (defun my/embark-preview ()
+  (defun my-embark-preview ()
     "Previews candidate in vertico buffer, unless it's a consult command."
     (interactive)
     (unless (bound-and-true-p consult--preview-function)
@@ -111,11 +111,7 @@ targets."
                   :around #'embark-hide-which-key-indicator))))
 
 ;; embark-consult
-(use-package embark-consult
-  :config
-  (add-hook
-   'embark-collect-mode-hook
-   #'consult-preview-at-point-mode))
+(use-package embark-consult)
 
 ;; eglot
 (use-package eglot