Revert run_pk12util part of 807a5cbe7c

Only certutil creates files in the local directory. Changing the
directory for pk12util breaks ipa-server-certinstall if the
PKCS#12 file is not passed in as an absolute path.

https://pagure.io/freeipa/issue/7489

Signed-off-by: Rob Crittenden <rcritten@redhat.com>
Reviewed-By: Alexey Slaykovsky <alexey@slaykovsky.com>

ipapython/certdb.py

@@ -308,7 +308,7 @@ class NSSDatabase(object):
             "-d", '{}:{}'.format(self.dbtype, self.secdir)
         ]
         new_args.extend(args)
-        return ipautil.run(new_args, stdin, cwd=self.secdir, **kwargs)
+        return ipautil.run(new_args, stdin, **kwargs)
 
     def exists(self):
         """Check DB exists (all files are present)