Remove structure declaration for EFI_UGA_PIXEL.
Remove structure declaration for EFI_UGA_PIXEL.

This structure is already defined in MdePkg/Include/Protocol/UgaDraw.h and this extra declaration is generating build breaks for a redefinition


git-svn-id: 5648d1bec6962b0a6d1d1b40eba8cf5cdb62da3d@8847 6f19259b-4bc3-4df7-8a09-765794883524

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