[bootlin/training-materials] 65510e: yocto-image: remove IMAGE_FSTYPES

[Alexandre Belloni]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: 65510e0d99fe9566905bc42414d68a8396137a0b
      https://github.com/bootlin/training-materials/commit/65510e0d99fe9566905bc42414d68a8396137a0b
  Author: Alexandre Belloni <alexandre.belloni at bootlin.com>
  Date:   2022-02-02 (Wed, 02 Feb 2022)

  Changed paths:
    M slides/yocto-image/yocto-image.tex

  Log Message:
  -----------
  yocto-image: remove IMAGE_FSTYPES

This is more likely to be set in the machine configuration.

Signed-off-by: Alexandre Belloni <alexandre.belloni at bootlin.com>