Factor out magit inits
Factor out compile inits
Factor out compile-package code
Move org-enforce-todo-dependencies

This doesn’t have to be set before loading org anymore.
Don’t track userloaddefs.el
Remove some stale comments
Factor out rng-loc inits
Group auto-mode-alist additions
Add help-mode to modes not caring about trailing space
Remove icomplete mode as we use smex instead
Remove unnecessary completion setup hook
Use line feed symbol instead of newline symbol