Staging: lustre: lnet: Remove functions LNetEQWait and LNetEQGet

Functions LNetEQWait and LNetEQGet are defined but not used. Thus
remove it. Also remove corresponding declarations from header file.

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>