staging: rtl8192e: Remove unused struct phy_ofdm_rx_status_rxsc

Remove unused struct declaration.

Signed-off-by: Teddy Engel <engel.teddy@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/ef5ffc1063323f6c1f22ab75f3b5ff01982c3061.1718309120.git.engel.teddy@gmail.com


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