Translations: remove files which contain no even single translated string

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46485 4005530d-fff6-0310-9dd1-cebe43e6787f
PoChecker: fixed typos

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46486 4005530d-fff6-0310-9dd1-cebe43e6787f