Remove unnecessary constructor overrides (#588)

Author: durran

src/internal-packages/indexes/lib/component/options-toggle-bar.jsx

@@ -5,15 +5,6 @@ const React = require('react');
  */
 class OptionsToggleBar extends React.Component {
 
-  /**
-   * The component constructor.
-   *
-   * @param {Object} props - The properties.
-   */
-  constructor(props) {
-    super(props);
-  }
-
   /**
    * Render the option field toggle bar.
    *

src/internal-packages/indexes/lib/component/usage-column.jsx

@@ -10,15 +10,6 @@ const NO_USAGE_STATS = 'Server versions prior to 3.2 do not support $indexStats'
  */
 class UsageColumn extends React.Component {
 
-  /**
-   * The component constructor.
-   *
-   * @param {Object} props - The properties.
-   */
-  constructor(props) {
-    super(props);
-  }
-
   /**
    * Render the usage tooltip text.
    *

src/internal-packages/server-stats/lib/component/server-stats-graphs-component.jsx

@@ -13,15 +13,6 @@ const MemStore = require('../store/mem-store');
  */
 class ServerStatsComponent extends React.Component {
 
-  /**
-   * The server stats component constructor.
-   *
-   * @param {Object} props - The component properties.
-   */
-  constructor(props) {
-    super(props);
-  }
-
   /**
    * When the component mounts, start the polling timer.
    */