SecurityPkg Tcg2ConfigDxe: Remove BlockSID actions and related strings

SecurityPkg Tcg2ConfigDxe: Remove BlockSID actions and related strings

Tcg2ConfigDxe has no related code to handle BlockSID related actions
that have been covered by OpalPasswordDxe driver.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>