fix: remove internal style on .v-popper

BREAKING CHANGE:
- The following internal style on `.v-popper` has been removed:
```css
.v-popper {
  width: max-content;
}
```

Author: Akryum

packages/floating-vue/src/components/PopperWrapper.vue

@@ -99,9 +99,3 @@ export default {
   },
 }
 </script>
-
-<style>
-.v-popper {
-  width: max-content;
-}
-</style>