Revert "Set the selection to 1st CTabItem when it is created." (#1087)

This reverts commit 0532901.

Author: lshanmug

bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/CTabFolder.java

@@ -774,7 +774,6 @@ void createItem (CTabItem item, int index) {
 	priority = newPriority;
 
 	if (items.length == 1) {
-		setSelection(0);
 		updateFolder(UPDATE_TAB_HEIGHT | REDRAW);
 	} else {
 		updateFolder(REDRAW_TABS);