Remove unnecessary conditional (#3401)
Remove unnecessary conditional (#3401)

`state_like` is definitely a numpy array (see if statement on line 304).
quantumlib/Cirq,balopat/Cirq,quantumlib/Cirq,balopat/Cirq,balopat/Cirq,quantumlib/Cirq,quantumlib/Cirq,quantumlib/Cirq