don't check for LS expired for FF

LeaseSet.cpp

@@ -190,7 +190,7 @@ namespace data
 
 	bool LeaseSet::IsExpired () const
 	{
-		if (IsEmpty ()) return true;
+		if (m_StoreLeases && IsEmpty ()) return true;
 		auto ts = i2p::util::GetMillisecondsSinceEpoch ();
 		return ts > m_ExpirationTime;
 	}

NetDb.cpp

@@ -462,7 +462,7 @@ namespace data
 		bool updated = false;
 		if (buf[DATABASE_STORE_TYPE_OFFSET]) // type
 		{
-			LogPrint (eLogDebug, "NetDb: store request: LeaseSet");
+			LogPrint (eLogDebug, "NetDb: store request: LeaseSet for ", ident);
 			updated = AddLeaseSet (ident, buf + offset, len - offset, m->from);
 		}	
 		else
@@ -688,14 +688,6 @@ namespace data
 					LogPrint (eLogDebug, "NetDb: requested LeaseSet ", key, " found");
 					replyMsg = CreateDatabaseStoreMsg (leaseSet);
 				}
-				else if (!leaseSet->IsEmpty())
-				{
-					LogPrint (eLogDebug, "NetDb: requested Expired LeaseSet ", key);
-					// remove LS as it is expired
-					m_LeaseSets.erase(ident);
-				}
-				else
-					LogPrint(eLogWarning, "NetDb: LeaseSet is empty? ", ident.ToBase32());
 			}
 			
 			if (!replyMsg)