Disable cirq v1 api docs (#3215)
Disable cirq v1 api docs (#3215)

- It's deprecated and no one should be using it.
quantumlib/Cirq,balopat/Cirq,balopat/Cirq,quantumlib/Cirq,quantumlib/Cirq,quantumlib/Cirq,quantumlib/Cirq,balopat/Cirq