Registry: remove "ide.scroll.bar.expand.animation" property

platform/platform-api/src/com/intellij/ui/components/DefaultScrollBarUI.java

@@ -101,7 +101,7 @@ class DefaultScrollBarUI extends ScrollBarUI {
   }
 
   boolean isTrackExpandable() {
-    return Registry.is("ide.scroll.bar.expand.animation");
+    return false;
   }
 
   boolean isTrackContains(int x, int y) {

platform/util/resources/misc/registry.properties

@@ -115,7 +115,6 @@ ide.scroll.default.unit.increment.description=Use default unit increment from Ja
 ide.scroll.new.layout=true
 ide.scroll.align.component=true
 ide.scroll.background.auto=true
-ide.scroll.bar.expand.animation=false
 ide.scroll.track.border.paint=false
 ide.scroll.thumb.border.rounded=false
 ide.scroll.thumb.small.if.opaque=true