More ESLint cleaning

src/js/PenthouseNaming.js

src/js/SetBellySize.js

src/js/bugReport.js

src/js/colorModeJS.js

src/js/dTree.min.js

src/js/displayVariables.js

src/js/food.js

src/js/foreachMacroJS.js

src/js/futureSocietyJS.js

src/js/hTagMacroJS.js

src/js/heroCreator.js

src/js/removeActiveSlave.js

src/js/rulesAssistant.js

src/js/rulesAutosurgery.js

src/js/slaveGenerationJS.js

src/js/spanMacroJS.js

src/js/summaryWidgets.js

src/js/textInput.js

src/js/textboxJS.js

src/js/utilJS.js