Remove dead code
Remove dead code

card-oberthur.c:1539:2: warning: Value stored to 'prv' is never read
        prv = (struct auth_private_data *) card->drv_data;
        ^     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


git-svn-id: 444ed946b9c2220da791e84c3dd156a05f92db99@5167 c6295689-39f2-0310-b995-f0e70906c6a9

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