clang-format: [JavaScript] Undo r291974 for JavaScript.

clang-format: [JavaScript] Undo r291974 for JavaScript.

This had significant negative consequences and I don't have a good
solution for it yet.

Before:
  var string =
      [
        'aaaaaa',
        'bbbbbb',
      ]
          .join('+');

After:
  var string = [
    'aaaaaa',
    'bbbbbb',
  ].join('+');

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@293465 91177308-0d34-0410-b5e6-96231b3b80d8