Continue module cleanup.

src-electron/importexport/export.js

src-electron/importexport/import.js

src-electron/rest/generation.js

src-electron/rest/user-data.js

src-electron/sdk-gen/sdk-gen.js

src-electron/server/http-server.js

src-electron/util/util.js

src-electron/validation/validation.js

test/generation.test.js