staging: rtl8188eu: Remove function Hal_EfuseReadEFuse88E()

Hal_EfuseReadEFuse88E() is called in ReadEFuseByIC(), when bPseudoTest is true
but it's always false.

Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>