Remove EXPERIMENTAL from all viewer limit based feature java docs.

Limit based items population feature for JFace Tree&Table viewers is
exists in eclipse since 4.30 release. So far there are no side
effects/new issues have been observed.
This feature can be NON-EXPERIMENTAL now.

see #3023

Author: raghucssit

bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ColumnViewer.java

@@ -973,12 +973,6 @@ int getItemsLimit() {
 	}
 
 	/**
-	 * <p>
-	 * <strong>EXPERIMENTAL</strong>. This class or interface has been added as part
-	 * of a work in progress. There is no guarantee that this API will work or that
-	 * it will remain the same. Please do not use this API without consulting with
-	 * the API development team.
-	 * </p>
 	 * Sets the viewers items limit on direct children at one level.
 	 * <p>
 	 * If the number of direct children will exceed this limit, the viewer will only
@@ -1031,12 +1025,7 @@ protected void handleDoubleSelect(SelectionEvent event) {
 	}
 
 	/**
-	 * <p>
-	 * <strong>EXPERIMENTAL</strong>. This class or interface has been added as part
-	 * of a work in progress. There is no guarantee that this API will work or that
-	 * it will remain the same. Please do not use this API without consulting with
-	 * the API development team.
-	 * </p>
+	 * Return if it is an instance of ExpandableNode
 	 *
 	 * @param element model object representing a special "expandable" node
 	 * @return return if it is an instance of ExpandableNode

bundles/org.eclipse.ui.workbench/eclipseui/org/eclipse/ui/IWorkbenchPreferenceConstants.java

@@ -701,13 +701,6 @@ public interface IWorkbenchPreferenceConstants {
 	String DISPOSE_CLOSED_BROWSER_HOVER_TIMEOUT = "disposeClosedBrowserHoverTimeout"; //$NON-NLS-1$
 
 	/**
-	 * <p>
-	 * <strong>EXPERIMENTAL</strong>. This class or interface has been added as part
-	 * of a work in progress. There is no guarantee that this API will work or that
-	 * it will remain the same. Please do not use this API without consulting with
-	 * the API development team.
-	 * </p>
-	 *
 	 * This preference specifies the limit for number of children that can be shown
 	 * per parent element without expanding.
 	 * <p>

bundles/org.eclipse.ui.workbench/eclipseui/org/eclipse/ui/views/WorkbenchViewerSetup.java

@@ -26,10 +26,10 @@
 
 /**
  * <p>
- * <strong>EXPERIMENTAL</strong>. This class or interface has been added as part
- * of a work in progress. There is no guarantee that this API will work or that
- * it will remain the same. Please do not use this API without consulting with
- * the API development team.
+ * Configure a {@link ColumnViewer} to show limited items per parent before
+ * showing an ExpandableNode. Limit used is read from preference
+ * {@link IWorkbenchPreferenceConstants#LARGE_VIEW_LIMIT}. Client must call this
+ * before {@link Viewer#setInput(Object)}
  * </p>
  *
  * @since 3.130
@@ -60,13 +60,6 @@ public class WorkbenchViewerSetup {
 	}
 
 	/**
-	 * <p>
-	 * <strong>EXPERIMENTAL</strong>. This class or interface has been added as part
-	 * of a work in progress. There is no guarantee that this API will work or that
-	 * it will remain the same. Please do not use this API without consulting with
-	 * the API development team.
-	 * </p>
-	 *
 	 * Returns the current viewer limit set in the {@code General} preference page.
 	 *
 	 * @return {@link IWorkbenchPreferenceConstants#LARGE_VIEW_LIMIT}
@@ -80,13 +73,6 @@ private static IPreferenceStore getPreferenceStore() {
 	}
 
 	/**
-	 * <p>
-	 * <strong>EXPERIMENTAL</strong>. This class or interface has been added as part
-	 * of a work in progress. There is no guarantee that this API will work or that
-	 * it will remain the same. Please do not use this API without consulting with
-	 * the API development team.
-	 * </p>
-	 *
 	 * Configure a {@link ColumnViewer} to show limited items per parent before
 	 * showing an ExpandableNode. Limit used is read from preference
 	 * {@link IWorkbenchPreferenceConstants#LARGE_VIEW_LIMIT}. Client must call this