[FIX] Drop the functional and f for NIRS

[rob-luke]

This PR removes the wording functional near-infrared spectroscopy (fNIRS) in favor of near-infrared spectroscopy (NIRS) as discussed in #802 (comment)

See also the associated change in the examples repo:

• Change fNIRS to NIRS bids-examples#336

[codecov]

Codecov Report

Base: 88.33% // Head: 88.33% // No change to project coverage 👍

Coverage data is based on head (3171d9c) compared to base (144b61a).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1325   +/-   ##
=======================================
  Coverage   88.33%   88.33%           
=======================================
  Files          11       11           
  Lines        1080     1080           
=======================================
  Hits          954      954           
  Misses        126      126           

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[rob-luke]

@bids-maintenance could you please review

[sappelhoff]

Thanks @rob-luke!

please note that @bids-maintenance is a bot 🙂 the real tag for the maintainers is @bids-standard/maintainers.

I pushed some commits, please double check that these are all fine with you.

If yes, we can merge and then plan the release!

[rob-luke]

Thanks @sappelhoff this looks great. Thanks for catching the items I missed. LGTM 🚀