Remove workaround for upstream lispyville PR

https://github.com/noctuid/lispyville/pull/297 was merged which makes
the changes from https://github.com/hlissner/doom-emacs/pull/5101 obsolete.

modules/editor/lispy/config.el

@@ -38,14 +38,4 @@
           additional
           additional-insert))
   :config
-  (lispyville-set-key-theme)
+  (lispyville-set-key-theme))
-;; REVIEW Delete this once https://github.com/noctuid/lispyville/pull/297 is merged
-  (defadvice! +lispy--fix-lispyville-end-of-defun-a (_)
-    "lispyville-end-of-defun doesn't go to the next defun when
-point is already at the end of a defun, whereas
-lispyville-beginning-of-defun does."
-    :before #'lispyville-end-of-defun
-    (when (<= (- (line-end-position)
-                 (point))
-              1)
-      (forward-line))))