requireParamTypes: Change if to early return format
requireParamTypes: Change if to early return format

- The if statement in the require param type rule uses the quick bail format

Closes gh-112

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