HIP: removed unused hipHostAllocDefault #1829

Job	Run time
build-on-cuda (OPENMP=ON)	9m 20s
build-and-test (MPI=ON, OPENMP=ON, SMM=blas, openmpi)	4m 12s
build-and-test (MPI=ON, OPENMP=ON, SMM=blas, mpich)	4m 8s
build-on-opencl (OPENMP=ON, SMM=libxsmm)	9m 22s
build-and-test (MPI=ON, OPENMP=ON, SMM=libxsmm, openmpi)	3m 59s
build-on-rocm (OPENMP=ON, G2G=ON)	4m 11s
pre-commit	1m 8s
build-and-test (MPI=ON, OPENMP=ON, SMM=libxsmm, mpich)	3m 45s
build-on-rocm (OPENMP=ON, G2G=OFF)	4m 10s
build-and-test (MPI=ON, OPENMP=OFF, SMM=blas, openmpi)	4m 4s
build-and-test (MPI=ON, OPENMP=OFF, SMM=blas, mpich)	3m 49s
build-and-test (MPI=ON, OPENMP=OFF, SMM=libxsmm, openmpi)	3m 49s
build-and-test (MPI=ON, OPENMP=OFF, SMM=libxsmm, mpich)	3m 38s
build-and-test (MPI=OFF, OPENMP=ON, SMM=blas, openmpi)	5m 34s
build-and-test (MPI=OFF, OPENMP=ON, SMM=libxsmm, openmpi)	5m 31s
build-and-test (MPI=OFF, OPENMP=OFF, SMM=blas, openmpi)	3m 55s
build-and-test (MPI=OFF, OPENMP=OFF, SMM=libxsmm, openmpi)	3m 24s
Combine & check coverage.	25s
	1h 18m 24s

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