[plt-translators] the preserve-stacktrace-information string constant

> It looks like the German, Russian, Ukranian, and French translations
> also have to change and it looks like I can just remove "JIT" (or
> "JIT-") from them. But I'm not sure. If you maintain one of those
> translations can you confirm that that's the only change required?

Russian:

./russian-string-constants.rkt: (preserve-stacktrace-information
"Сохранить трассировку стека (отключает некоторые оптимизации)")

Ukrainian:
./ukrainian-string-constants.rkt: (preserve-stacktrace-information
"Зберегти трасування стеку (відключає деякі оптимізації")