Fix unused typedef warning
Fix unused typedef warning

ritsu1228/eigen,Zefz/eigen,pasuka/eigen,TSC21/Eigen,ROCmSoftwarePlatform/hipeigen,ritsu1228/eigen,toastedcrumpets/eigen,ROCmSoftwarePlatform/hipeigen,ritsu1228/eigen,TSC21/Eigen,ROCmSoftwarePlatform/hipeigen,pasuka/eigen,toastedcrumpets/eigen,TSC21/Eigen,pasuka/eigen,TSC21/Eigen,ritsu1228/eigen,ritsu1228/eigen,Zefz/eigen,ROCmSoftwarePlatform/hipeigen,pasuka/eigen,toastedcrumpets/eigen,toastedcrumpets/eigen,Zefz/eigen,pasuka/eigen,Zefz/eigen