Remove the noconfig flag

Summary:
D11196 introduced a regression that made it impossible for coffeelint to read any configuration. I'm reverting the change in that diff.

Created a pull request changing the documentation of coffeelint to make sure I'm interpreting this flag correctly: https://github.com/clutchski/coffeelint/pull/364

Test Plan:

• patch
• npm install -g coffeelint

• create a test.coffee file with:

# 1234567890

• arc lint test.coffee

OKAY  No lint warnings.

• create a coffeelint.json with

{
  "max_line_length": {
    "value": 10
  }
}

• arc lint test.coffee, expected output:

>>> Lint for test.coffee:

   Error  (COFFEE)
    Line exceeds maximum allowed length.

    >>>        1 # 1234567890

• create a .arclint with

{
  "linters": {
    "coffeelint": {
      "type": "coffeelint",
      "coffeelint.config": "coffee_lint_config_with_different_name.json"
    }
  }
}

• rename coffeelint.json to coffee_lint_config_with_different_name.json
• arc lint test.coffee, expected output:

>>> Lint for test.coffee:

   Error  (COFFEE)
    Line exceeds maximum allowed length.

    >>>        1 # 1234567890

Reviewers: Korvin, joshuaspence, epriestley, Blessed Reviewers

Reviewed By: epriestley, Blessed Reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11250