Clear up to remove the duplicate driver binding externs in the same header file when merging "CommonHeader.h" to "DiskIo.h".
Clear up to remove the duplicate driver binding externs in the same header file when merging "CommonHeader.h" to "DiskIo.h".


git-svn-id: 5648d1bec6962b0a6d1d1b40eba8cf5cdb62da3d@2738 6f19259b-4bc3-4df7-8a09-765794883524

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2