BZ:https://bugzilla.tianocore.org/show_bug.cgi?id=1735
BaseTools runs from python source. It doesn't depend on
dll any more. So, DLL can be removed.
This patch is going to fix that issue.
Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Zhiju.Fan <zhijux.fan@intel.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>