removed unnecessary comment and decorators which duplicates the docstring or does not comply to standard python coding style
removed unnecessary comment and decorators which duplicates the docstring or does not comply to standard python coding style

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