partial cleanup of jshintrc
partial cleanup of jshintrc

smbale/samples,MahmoudFouad/samples,ralic/samples,ralic/samples,akashrchoksi/newone,taylor-b/samples,smbale/samples,MahmoudFouad/samples,mauricionr/samples,smbale/samples,webrtc/samples,xdumaine/samples,kod3r/samples,kod3r/samples,samdutton/webrtc,xdumaine/samples,fippo/webrtc,guoweis/webrtc,webrtc/samples,taylor-b/samples,volkanh/volkanh.github.io,volkanh/volkanh.github.io,EmreAkkoyun/sample,xdumaine/samples,ralic/samples,guoweis/webrtc,akashrchoksi/newone,kod3r/samples,EmreAkkoyun/sample,fippo/webrtc,samdutton/webrtc,guoweis/webrtc,mauricionr/samples,mauricionr/samples,EmreAkkoyun/sample,MahmoudFouad/samples,volkanh/volkanh.github.io,akashrchoksi/newone