Set `"python.linting.pylintEnabled": false` in package.json.

[d3r3kk]

Related to #974, PR #2913

Once the Python Language Server is enabled for our users by default, update package.json to change the default setting for python.linting.pylintEnabled to false.

@DonJayamanne @brettcannon @qubitron

[d3r3kk]

Tracked against the current milestone, but this might get pushed out.
@brettcannon please correct this if necessary!

[DonJayamanne]

Hows this different from #974?
Wouldn't your change above, resolve #974?

[brettcannon]

It's different because #974 makes this a conditional thing that only kicks in when you flip on the language server. Once the language server is the default we can actually flip the default here so that when we stop special-casing Pylint the default is what we want it to be.