checkRedundantReturns: dropped return type checking
checkRedundantReturns: dropped return type checking

Ref #82

jdlrobson/jscs-jsdoc,dtracers/jscs-jsdoc,jscs-dev/jscs-jsdoc,MunGell/jscs-jsdoc,szarouski/jscs-jsdoc,shaoshing/jscs-jsdoc,lvivier/jscs-jsdoc