staging: r8188eu: this endless loop is executed only once

There's a funny "loop" in rtl8188eu_xmitframe_complete. It looks like

do {
  ... some commands...
  break;
} while (1);

Remove it.

Acked-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210908085747.32254-4-martin@kaiser.cx


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>