Remove esup

Because esup is fundamentally incompatible with Doom, we are removing
it. Hopefully we can replace it later down the road.

core/packages.el

@@ -37,6 +37,3 @@
 ;; core-keybinds.el
 (package! general)
 (package! which-key)
-
-;; autoload/debug.el
-(package! esup)