removed 'children' SeriesLines.DataObject. (#33876)

* removed 'children' SeriesLines.DataObject. It is not mentioned in the API documentation, and there was no comment with a link to the API docs like the other properties in the DataObject Interface.

* added dwhitney as a contributor

types/echarts/index.d.ts

@@ -7,6 +7,7 @@
 //                 Roman <https://github.com/iRON5>
 //                 Bilal <https://github.com/bilalucar>
 //                 TMTron <https://github.com/tmtron>
+//                 dwhitney <https://github.com/dwhitney>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.3
 

types/echarts/options/series/lines.d.ts

@@ -13253,8 +13253,6 @@ declare namespace echarts {
                  */
                 name?: string;
 
-                children: [DataObject];
-
                 /**
                  * An array includes two ore more than two coordinates.
                  * Each coordinate could be `[x, y]` in