docs: revert changes in windowResized() remove description about "return false" remove @param, @return tags (see #4988)
docs: revert changes in windowResized()
remove description about "return false"
remove @param, @return tags
(see #4988)

limzykenneth/p5.js,processing/p5.js,limzykenneth/p5.js,processing/p5.js,dhowe/p5.js,dhowe/p5.js