More incorrect triple-backtick code block formatting

[pawsey-kbuckley]

Corrects a couple more triple-backtick code-block formatting errors

[mharding-hpe]

I am working on fixing the linter errors in this PR.

[rustydb]

This could use an added table of contents but otherwise the headers and content look good.

[mharding-hpe]

/backport release/1.2 release/1.0

[github-actions]

Error occured while backporting into branch release/1.2.

Error

git -c user.name="Mitch Harding" -c user.email="mitchell.harding@hpe.com" cherry-pick 2821232bdee744bdfb8a019ef73a01b7de0ede83 -x
Auto-merging operations/network/management_network/dell/ntp.md
CONFLICT (content): Merge conflict in operations/network/management_network/dell/ntp.md
error: could not apply 2821232... Make NTP documents for different switches use consistent format

hint: After resolving the conflicts, mark them with

hint: "git add/rm ", then run

hint: "git cherry-pick --continue".

hint: You can instead skip this commit with "git cherry-pick --skip".

hint: To abort and get back to the state before "git cherry-pick",

hint: run "git cherry-pick --abort".

[github-actions]

Error occured while backporting into branch release/1.0.

Error

git checkout -b backport/1719-to-release/1.0 -t origin/release/1.0
operations/network/management_network/dell/ntp.md: needs merge
error: you need to resolve your current index first