Drop redundant parenthesis in `with` statement

[intgr]

Describe the bug

Black removes redundant parenthesis in most contexts, but this does not apply to the with statement yet.

To Reproduce
Playground link

if (open("bla.txt")):
    pass

with (open("bla.txt")):
    pass

Output:

if open("bla.txt"):    # <-- parenthesis removed
    pass

with (open("bla.txt")):    # <-- parenthesis retained
    pass

Adding --target-version=py310 or --preview does not change this behavior.

Environment

• Black's version: 22.1.0 and main branch
• OS and Python version: Python 3.10

[JelleZijlstra]

Yes, we should remove these. There are a bunch of other contexts where we leave redundant parens around.

[intgr]

Some additional test cases involving with:

with (open("bla.txt") as f):
    pass

with (open("bla.txt")) as f:
    pass

with (open("bla.txt") as f, open("x")):
    pass

with ((open("bla.txt")) as f, open("x")):
    pass

[intgr]

Thanks @jpy-git! :)