Do not store 'location' tags in translation files

Andrei Kortunovrequested to merge
akortunov/openmw:consistent-translations into master

Qt ts files can have location tags, which is used by Qt Linguist tool to show the code where given translation string is used. Since we have out ranslations in source control and line numbers change relatively often, it is better to disable this feature. Should also fix this issue.

Also fix some formatting typos in Launcher translations.

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