[PATCH docs] Rest API documentation fixes

[OpenBMC Patches]

HTTP verbs need to be upper case.
-k appeared twice in some examples.
Add delete description and example.

https://github.com/openbmc/docs/pull/7

Brad Bishop (1):
  Rest API documentation fixes

 rest-api.md | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

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2.6.3