Move section-local image into section folder

[chalin]

Originally posted by @chalin in #5480 (review)

@DIANAAJAMBO: move the image added by this PR to content/en/docs/concepts/instrumentation.

[DIANAAJAMBO]

@chalin I have moved the image and here is the new PR #5523 . Thank you

[chalin]

Thanks @DIANAAJAMBO. I've added my comments to the new PR.