iptables: re-enable iptables-batch to speed up SuSEfirewall2

This update fixes the following issue for iptables:
- bnc#785240: re-enable iptables-batch to speed up SuSEfirewall2

Fixed bugs
bnc#785240
SuSEfirewall2_init.service starts for 2 minutes
Selected Binaries
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