Fix JSHint errors in quicktags.js. Ignore deprecated API rather than marking it as exported globals.

props kovshenin.
fixes #26046.


git-svn-id: https://develop.svn.wordpress.org/trunk@26212 602fd350-edb4-49c9-b593-d223f7449a82
Fix JSHint errors in wp-plupload.js.

props atimmer.
fixes #26044.


git-svn-id: https://develop.svn.wordpress.org/trunk@26213 602fd350-edb4-49c9-b593-d223f7449a82