staging: rtl8192e: Remove HTIOTActIsDisableMCSTwoSpatialStream()

staging: rtl8192e: Remove HTIOTActIsDisableMCSTwoSpatialStream()

Remove HTIOTActIsDisableMCSTwoSpatialStream() as it always returns false
which leads to one evaluation that is always false. Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/a446837ff1107c81f52d3cf9e727d6ef4e2678af.1698295861.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>