remove deprecated useDelayGroupContext (#2188)

also bumped floating-ui to latest.

.changeset/ten-dryers-sleep.md

@@ -2,4 +2,4 @@
 '@itwin/itwinui-react': minor
 ---
 
-Bumped the minimum version of `@floating-ui/react` to `0.26.20`.
+Bumped the minimum version of `@floating-ui/react` to `0.26.22`.

packages/itwinui-react/package.json

@@ -101,7 +101,7 @@
     "dev:styles": "pnpm build:styles --watch"
   },
   "dependencies": {
-    "@floating-ui/react": "^0.26.20",
+    "@floating-ui/react": "^0.26.22",
     "@itwin/itwinui-illustrations-react": "^2.1.0",
     "@swc/helpers": "^0.5.11",
     "@tanstack/react-virtual": "^3.8.2",

packages/itwinui-react/src/core/Tooltip/Tooltip.tsx

@@ -19,7 +19,6 @@ import {
   autoPlacement,
   hide,
   inline,
-  useDelayGroupContext,
   useDelayGroup,
 } from '@floating-ui/react';
 import type { Placement } from '@floating-ui/react';
@@ -200,9 +199,7 @@ const useTooltip = (options: TooltipOptions = {}) => {
     [ariaStrategy, id],
   );
 
-  const { delay } = useDelayGroupContext();
-
-  useDelayGroup(floating.context, { id: useId() });
+  const { delay } = useDelayGroup(floating.context, { id: useId() });
 
   const interactions = useInteractions([
     useHover(floating.context, {