STY: Deleted trailing whitespace from bloch_redfield.py
STY: Deleted trailing whitespace from bloch_redfield.py

anubhavvardhan/qutip,cgranade/qutip,cgranade/qutip,qutip/qutip,zasdfgbnm/qutip,zasdfgbnm/qutip,anubhavvardhan/qutip,qutip/qutip