Remove an redundant if clause in QuicSession::OnNewStreamFlowControlWindow(). This code is reached only in QUIC with QUIC crypto, thus !connection_->version().AllowsLowFlowControlLimits() is always true. No behavior change. not protected. PiperOrigin-RevId: 326341408 Change-Id: I0969f18acc73272d3b8dcfc153896a2eaca31e99