deprecate device shots

Author: JerryChen97

src/iqpopt/iqp_optimizer.py

@@ -178,8 +178,9 @@ def sample(self, params: jnp.ndarray, init_coefs: list = None, shots: int = 1) -
             return jnp.array(samples)
 
         else:
-            dev = qml.device(self.device, wires=self.n_qubits, shots=shots)
+            dev = qml.device(self.device, wires=self.n_qubits)
 
+            @qml.set_shots(shots)
             @qml.qnode(dev)
             def sample_circuit(params):
                 self.iqp_circuit(params, init_coefs)