[bootlin/training-materials] 3498e8: Embedded Linux: remove unnecessary subsection header

[Michael Opdenacker]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: 3498e81302c1eca6e5ba702c4d435e627ca41409
      https://github.com/bootlin/training-materials/commit/3498e81302c1eca6e5ba702c4d435e627ca41409
  Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
  Date:   2022-02-25 (Fri, 25 Feb 2022)

  Changed paths:
    M slides/sysdev-kernel-building/sysdev-kernel-building.tex

  Log Message:
  -----------
  Embedded Linux: remove unnecessary subsection header

Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>