feat: refactor projectile setup

Set ivy as completion system
refactor keymap binding
don't enable projectile-global-mode, regular mode is enough

config.org

@@ -1001,12 +1001,14 @@ https://github.com/bbatsov/projectile
 #+BEGIN_SRC emacs-lisp
 (use-package projectile
   :diminish
+  :custom ((projectile-completion-system 'ivy))
+  :bind-keymap
+  ("C-c p" . projectile-command-map)
   :config
     (setq projectile-globally-ignored-directories (cons ".ccls-cache" projectile-globally-ignored-directories))
     (setq projectile-indexing-method 'alien)
     (setq projectile-enable-caching t)
-    (projectile-global-mode)
-    (define-key projectile-mode-map (kbd "C-c p") 'projectile-command-map)
+    (projectile-mode)
 )
 #+END_SRC