2) Remove the unnecessary data structure defined for IFR Parser.
1) All data structure definition that have nothing to do with IFR Default value scanning (
required to implement Framework HII's GetDefaultImage ()) is removed.
2) Ignore the IFR opcode which is invalid for Form Package
generated using Framework VFR file.
3) Remove unnecessary files.
4) Add in Doxygen function header for all functions.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6440 6f19259b-4bc3-4df7-8a09-765794883524