docs: public static final void removeTxn(Xid xid)
      {
          if (tc.isEntryEnabled()) Tr.entry(tc, "removeTxn", xid);
  
          final ByteArray key = new ByteArray(xid.getGlobalTransactionId());
  
          final JCATranWrapper wrapper;
  
          synchronized (txnTable)
          {
              wrapper = txnTable.remove(key);
          }
  
          if (tc.isEntryEnabled()) Tr.exit(tc, "removeTxn", wrapper);
      }