Fix accidental activation of flycheck-pos-tip-mode in emacs lisp layer

The issue was that `flycheck-package` explicitly
activated `flycheck-pos-tip-mode` however
this package is owned by `syntax checking layer`
and should only be activated by it directly.

layers/+lang/emacs-lisp/packages.el

@@ -255,9 +255,7 @@
 
 (defun emacs-lisp/init-flycheck-package ()
   (use-package flycheck-package
-    :defer t
-    :init (with-eval-after-load 'flycheck
-            (flycheck-pos-tip-mode))))
+    :defer t))
 
 (defun emacs-lisp/post-init-counsel-gtags ()
   (spacemacs/counsel-gtags-define-keys-for-mode 'emacs-lisp-mode))