Remove unnecessary casts in SimDevice

[km-64]

Type checkers are able to narrow down the type to tuple and retain more information such as the element types. This gives the type more information than just casting to a tuple.

For example, line sim_list will be of type Any with the cast, but without it the actual type is inferred by the zuban.

pymodbus/pymodbus/simulator/simdevice.py

Line 152 in 3ca82d1

sim_list = cast(tuple, self.simdata)[i]

# With tuple cast
sim_list = cast(tuple, self.simdata)[i]
reveal_type(sim_list) # pymodbus/simulator/simdevice.py:153: note: Revealed type is "Any"

# Without tuple cast
sim_list = self.simdata[i]
reveal_type(sim_list) # pymodbus/simulator/simdevice.py:153: note: Revealed type is "builtins.list[pymodbus.simulator.simdata.SimData]"

In this case removing the cast provides more information for later usages of sim_list such as in __check_simple_blocks,

 for inx, entry in enumerate(sim_list):
    reveal_type(entry) # pymodbus/simulator/simdevice.py:156: note: Revealed type is "pymodbus.simulator.simdata.SimData"

    if not isinstance(entry, SimData):
        raise TypeError(
            f"simdata[{inx}]=tuple[{TUPLE_NAMES[i]}] -> list[{inx}] is not a SimData entry"
        )
    if i < 2 and entry.datatype != DataType.BITS:
        raise TypeError(
            f"simdata[{inx}]=tuple[{TUPLE_NAMES[i]}] -> list[{inx}] not DataType.BITS, not allowed"
        )

[janiversen]

LGTM, Thanks.