cleanup: Remove OverlayScrollable component

invokeai/frontend/web/src/features/ui/components/common/OverlayScrollable.tsx

@@ -1,24 +0,0 @@
-import { OverlayScrollbarsComponent } from 'overlayscrollbars-react';
-import { PropsWithChildren, memo } from 'react';
-
-const OverlayScrollable = (props: PropsWithChildren) => {
-  return (
-    <OverlayScrollbarsComponent
-      defer
-      style={{ height: '100%', width: '100%' }}
-      options={{
-        scrollbars: {
-          visibility: 'auto',
-          autoHide: 'move',
-          autoHideDelay: 1300,
-          theme: 'os-theme-dark',
-        },
-        overflow: { x: 'hidden' },
-      }}
-    >
-      {props.children}
-    </OverlayScrollbarsComponent>
-  );
-};
-
-export default memo(OverlayScrollable);