doc: update GRUB menu image in partition mode doc

Replace the askew photo of a GRUB screen with a ``code-block:: console``
directive.

Tracked-On: #1160

Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
This commit is contained in:
David B. Kinder
2018-10-25 10:25:36 -07:00
committed by David Kinder
parent 61a9ca2053
commit d764edbf83
2 changed files with 11 additions and 4 deletions

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