ClevoOpenBoardPkg: Remove batch build scripts

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1775



Removed batch build scripts as they are replaced
by build_bios.py

Signed-off-by: Agyeman <prince.agyeman@intel.com>
Reviewed-by: Nate DeSimone <nathaniel.l.desimone@intel.com>
Reviewed-by: Michael Kubacki <michael.a.kubacki@intel.com>