fix(build): exclude problematic sourcemaps
fix(build): exclude problematic sourcemaps

excludes sourcemaps for several libraries that
are not configured correctly

fabric8-ui/fabric8-ui,fabric8-ui/fabric8-ui,pmuir/fabric8-ui,fabric8io/fabric8-ui,fabric8io/fabric8-ui,fabric8io/fabric8-ui,fabric8-ui/fabric8-ui,fabric8io/fabric8-ui,pmuir/fabric8-ui,fabric8-ui/fabric8-ui,fabric8io/fabric8-ui,pmuir/fabric8-ui,pmuir/fabric8-ui,pmuir/fabric8-ui,fabric8-ui/fabric8-ui