don't punish new shares for not having all transactions. punishing

could potentially cause problems as sending all transactions is no
longer enforced at the protocol level.

p2pool/data.py

@@ -355,8 +355,7 @@ def should_punish_reason(self, previous_block, bits, tracker, known_txs):
 
         other_txs = self._get_other_txs(tracker, known_txs)
         if other_txs is None:
-            if self.time_seen != 0: # ignore if loaded from ShareStore
-                return True, 'not all txs present'
+            pass
         else:
             all_txs_size = sum(bitcoin_data.tx_type.packed_size(tx) for tx in other_txs)
             if all_txs_size > 1000000: