llvm-project

c73bd3e7 - libclc: Remove old mesa amdgcn targets (#185385)

libclc: Remove old mesa amdgcn targets (#185385) amdgcn-- was probably dead when clover was being maintained, since it switched to using amdgcn-mesa-mesa3d. Also remove amdgcn-mesa-mesa3d, since clover is no longer in mesa.