fix mcscf converge problem for H2 system (by removing linear-dep vectors)
fix mcscf converge problem for H2 system (by removing linear-dep vectors)

sunqm/pyscf,gkc1000/pyscf,sunqm/pyscf,sunqm/pyscf,gkc1000/pyscf,gkc1000/pyscf,gkc1000/pyscf,gkc1000/pyscf,sunqm/pyscf