staging: r8188eu: remove fake efuse variables

We removed the pseudo read code. This patch removes the fake efuse arrays
that were used by pseudo reads.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20211113185518.23941-15-martin@kaiser.cx


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