Removed empty default, updated eslint settings

.eslintrc.json

src/SpecialForce/SpecialForce.js

src/art/vector_revamp/vectorRevampedArtControl.js

src/endWeek/saServant.js

src/js/DefaultRules.js

src/js/assayJS.js

src/js/generateGenetics.js

src/js/longChildDescription.js

src/js/slaveCostJS.js

src/js/slaveSummaryWidgets.js

src/js/storyJS.js

src/js/vignettes.js

src/js/walkPastJS.js