[StickyScrolling] Remove needless job to style sticky lines

The styling is done in another Thread by asyncExe anyways, there is no need to do this in an Job. This overhead can be avoided.

bundles/org.eclipse.ui.editors/src/org/eclipse/ui/internal/texteditor/stickyscroll/StickyScrollingControl.java

@@ -41,9 +41,6 @@
 import org.eclipse.swt.widgets.Listener;
 import org.eclipse.swt.widgets.ScrollBar;
 
-import org.eclipse.core.runtime.ICoreRunnable;
-import org.eclipse.core.runtime.jobs.Job;
-
 import org.eclipse.jface.layout.GridDataFactory;
 import org.eclipse.jface.layout.GridLayoutFactory;
 
@@ -395,12 +392,10 @@ private void addSourceViewerListeners() {
 		StyledText textWidget= sourceViewer.getTextWidget();
 
 		if (sourceViewer instanceof ITextViewerExtension4 extension) {
-			textPresentationListener= e -> {
-				Job.create("Update sticky lines styling", (ICoreRunnable) monitor -> { //$NON-NLS-1$
-					Display.getDefault().asyncExec(() -> {
-						styleStickyLines();
-					});
-				}).schedule();
+			textPresentationListener = e -> {
+				Display.getDefault().asyncExec(() -> {
+					styleStickyLines();
+				});
 			};
 			extension.addTextPresentationListener(textPresentationListener);
 		}