staging: rtl8192e: rtl92e_clear_irq() is not used

The function rtl92e_clear_irq() is not used. Remove it.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20230309110439.24504-1-straube.linux@gmail.com


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