* lisp/org-element.el (org-element--remove-indentation): New function.
(org-element-example-block-parser, org-element-src-block-parser): Use
new function.
(org-element-src-block-interpreter): Update function according to
change.
* lisp/ox.el (org-export-unravel-code): Do not remove any indentation
since it now happens at the parser level.
* testing/lisp/test-org-element.el: Add tests.
* testing/lisp/test-ox.el: Refactor tests.