Removed the removed options `showMinorLines` and `showMajorLines` from the docs.

docs/graph2d/index.html

@@ -997,22 +997,6 @@ function (option, path) {
                 visible.</td>
         </tr>
 
-        <tr>
-            <td>showMajorLines</td>
-            <td>Boolean</td>
-            <td>true</td>
-            <td>By default, the timeline shows both minor and major date lines on the
-                time axis. You can use this option to hide the lines from the major dates.
-        </tr>
-
-        <tr>
-            <td>showMinorLines</td>
-            <td>Boolean</td>
-            <td>true</td>
-            <td>By default, the timeline shows both minor and major date lines on the
-                time axis. You can use this option to hide the lines from the minor dates.
-        </tr>
-
         <tr>
             <td>start</td>
             <td>Date or Number or String</td>