[gnome-shell] tests: Stop using global grabs

[Florian Müllner <fmuellner src gnome org>]

commit 02c76695e5de86bf3ea72f6ea4024428b7e251f9
Author: Jonas Dreßler <verdre v0yd nl>
Date:   Sun Apr 14 18:32:58 2019 +0200

    tests: Stop using global grabs
    
    Global grabs are being removed from Clutter in favour of input device
    grabs.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/495

 tests/interactive/scroll-view-sizing.js | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/tests/interactive/scroll-view-sizing.js b/tests/interactive/scroll-view-sizing.js
index d94dcee07..b5eb17949 100644
--- a/tests/interactive/scroll-view-sizing.js
+++ b/tests/interactive/scroll-view-sizing.js
@@ -215,14 +215,12 @@ class SizingIllustrator extends St.Widget {
            let [x, y] = event.get_coords();
            this._dragX = x - handleX;
            this._dragY = y - handleY;
-           Clutter.grab_pointer(handle);
        }
     }
 
     _handleReleased(handle, event) {
        if (event.get_button() == 1) {
            this._inDrag = false;
-           Clutter.ungrab_pointer(handle);
        }
     }