Fix misleading advice in waitForElement deprecation warning

[pelotom]

Fixes testing-library/react-testing-library#677

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[codecov]

Codecov Report

Merging #588 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #588   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           23        23           
  Lines          462       462           
  Branches       114       114           
=========================================
  Hits           462       462           

Impacted Files	Coverage Δ
src/wait-for-element.js	100.00% <ø> (ø)

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[kentcdodds]

Thanks!

[kentcdodds]

@all-contributors please add @pelotom for code and tests

[allcontributors]

@kentcdodds

I've put up a pull request to add @pelotom! 🎉

[kentcdodds]

🎉 This PR is included in version 7.5.9 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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