Remove out-dated comment in cholesky test.
Remove out-dated comment in cholesky test.

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