code: function removeImplementedInterfaces(context, node, ast) {
    if (node.implements && node.implements.length > 0) {
      var first = node.implements[0];
      var last = node.implements[node.implements.length - 1];
      var idx = findTokenIndex(ast.tokens, first.start);
      do {
        idx--;
      } while (ast.tokens[idx].value !== 'implements');
  
      var lastIdx = findTokenIndex(ast.tokens, last.start);
      do {
        if (!isComment(ast.tokens[idx])) {
          removeNode(context, ast.tokens[idx]);
        }
      } while (idx++ !== lastIdx);
    }
  }
docs: If this class declaration or expression implements interfaces, remove the associated tokens.