staging: rtl8192e: Remove enum RF_1T2R and RF_Type

enum RF_1T2R is used to initialize a local variable RF_Type that is then
shifted. The result of the shift is zero. Remove code that has always
the same result to increase readability.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/6c29e709f5c328703870ca8e7d61ee6338886fa7.1680427945.git.philipp.g.hortmann@gmail.com


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