code: function removeUnnecessaryParensInFunctionNode(node) {
    node.args.forEach((child, i) => {
      if (Node.Type.isParenthesis(child)) {
        child = child.content;
      }
      node.args[i] = removeUnnecessaryParensSearch(child);
    });
  
    return node;
  }
docs: Removes unncessary parens for each argument in a function node. Returns a node.