docs: fix components JS doc (#3038)

Author: ilhan007

packages/main/src/ComboBox.js

@@ -301,7 +301,7 @@ const metadata = {
 		/**
 		 * Fired when selection is changed by user interaction
 		 *
-		 * @event sap.ui.webcomponents.main.Combobox#selection-change
+		 * @event sap.ui.webcomponents.main.ComboBox#selection-change
 		 * @param {HTMLElement} item item to be selected.
 		 * @public
 		 */

packages/main/src/StepInput.js

@@ -345,7 +345,6 @@ const INITIAL_SPEED = 120; // milliseconds
  * <li>To enter dates and times. In this case, use date/time related components instead.</li>
  * </ul>
  *
- * For the <code>ui5-step-input</code>
  * <h3>ES6 Module Import</h3>
  *
  * <code>import @ui5/webcomponents/dist/StepInput.js";</code>
@@ -355,7 +354,7 @@ const INITIAL_SPEED = 120; // milliseconds
  * @alias sap.ui.webcomponents.main.StepInput
  * @extends UI5Element
  * @tagname ui5-step-input
- * @since 1.0.0-rc.12
+ * @since 1.0.0-rc.13
  * @public
  */
 class StepInput extends UI5Element {