Rewrite old-style class super() calls as well

[asottile]

For example:

class H(logging.StreamHandler):
    def __init__(self) -> None:
        logging.StreamHandler.__init__(self)
       # ...

should become

class H(logging.StreamHandler):
    def __init__(self) -> None:
        super().__init__()
        # ...

[asottile]

this was rolled out in 2.6.0 and then reverted in 2.6.1 -- there's some cases where some particularly odd calling constructs broke things:

class C:
    @staticmethod
    def from_other(cls, inst):
        ...

class D(C):
    def make(self):
        return C.from_other(self)

for example

[asottile]

via #320

[asottile]

and reverted again in #548 -- there isn't a safe way to implement this sadly