Sec exp backport functions cleanup

src/Mods/SecExp/buildings/secBarracks.tw

src/Mods/SecExp/buildings/weaponsManufacturing.tw

src/Mods/SecExp/events/attackHandler.tw

src/Mods/SecExp/events/rebellionHandler.tw

src/Mods/SecExp/events/rebellionOptions.tw

src/Mods/SecExp/js/Unit.js

src/Mods/SecExp/js/buildingsJS.js

src/Mods/SecExp/js/reportingRelatedFunctions.js

src/Mods/SecExp/js/secExp.js

src/Mods/SecExp/js/secExpBC.js

src/Mods/SecExp/js/securityReport.js