staging: rtl8192e: Remove unused variable framesyncC34

framesyncC34 is written and then never evaluated. Remove resulting dead
code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/e641717f1b89dd9bba99a0f14fc2c24996cb6bd7.1674071236.git.philipp.g.hortmann@gmail.com


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