Move lang/org => org/*

Since lang/org has grown (and is expected to grow much, much more), it
has been given its own module category.

Concerns #129, #138

modules/lang/org/+babel.el

@@ -1,52 +0,0 @@
-;;; lang/org/+babel.el -*- lexical-binding: t; -*-
-
-(add-hook '+org-init-hook #'+org|init-babel t)
-
-(defun +org|init-babel ()
-  (setq org-confirm-babel-evaluate nil   ; you don't need my permission
-        org-src-fontify-natively t       ; make code pretty
-        org-src-preserve-indentation t
-        org-src-tab-acts-natively t
-        org-src-window-setup 'current-window
-        org-edit-src-content-indentation 0)
-
-  (org-babel-do-load-languages
-   'org-babel-load-languages
-   (mapcar (lambda (sym) (cons sym t))
-           '(calc
-             css
-             emacs-lisp
-             haskell
-             js
-             latex
-             ledger
-             lilypond
-             lisp
-             matlab
-             plantuml
-             python
-             restclient
-             ruby
-             rust
-             sh
-             sqlite
-             sql-mode
-             translate
-             )))
-
-  ;; In a recent update, `org-babel-get-header' was removed from org-mode, which
-  ;; is something a fair number of babel plugins use. So until those plugins
-  ;; update...
-  (defun org-babel-get-header (params key &optional others)
-    (delq nil
-          (mapcar
-           (lambda (p) (if (funcall (if others #'not #'identity) (eq (car p) key)) p))
-           params)))
-
-  ;; I prefer C-c C-c for confirming over the default C-c '
-  (map! :map org-src-mode-map "C-c C-c" #'org-edit-src-exit)
-
-  ;; I know the keybindings, no need for the header line
-  (defun +org|src-mode-remove-header ()
-    (when header-line-format (setq header-line-format nil)))
-  (add-hook 'org-src-mode-hook #'+org|src-mode-remove-header))