docs: remove comment stating FIFO SQS Queues aren't supported

[brettstack]

Description of changes:

Remove comment stating FIFO SQS Queues aren't supported

Description of how you validated changes:

https://aws.amazon.com/blogs/compute/new-for-aws-lambda-sqs-fifo-as-an-event-source/

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-io]

Codecov Report

Merging #1367 into develop will increase coverage by <.01%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #1367      +/-   ##
===========================================
+ Coverage    94.42%   94.42%   +<.01%     
===========================================
  Files           78       78              
  Lines         4554     4555       +1     
  Branches       912      912              
===========================================
+ Hits          4300     4301       +1     
  Misses         119      119              
  Partials       135      135

Impacted Files	Coverage Δ
...nslator/model/preferences/deployment_preference.py	100% <0%> (ø)	⬆️

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[jlhood]

You are correct, sir. This is now supported by Lambda! Thanks for updating this. 😊