[gnome-shell/gbsneto/new-lock-screen-part2: 15/34] screenShield: Remove scrolling

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit bdc21c331049d3487c00979d0435d389430f2ab0
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Nov 28 20:11:17 2019 -0300

    screenShield: Remove scrolling
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/872

 js/ui/screenShield.js | 22 ----------------------
 1 file changed, 22 deletions(-)
---
diff --git a/js/ui/screenShield.js b/js/ui/screenShield.js
index 4ecf7f7560..0dc95caedb 100644
--- a/js/ui/screenShield.js
+++ b/js/ui/screenShield.js
@@ -57,8 +57,6 @@ var ScreenShield = class {
         });
         this._lockScreenGroup.connect('key-press-event',
                                       this._onLockScreenKeyPress.bind(this));
-        this._lockScreenGroup.connect('scroll-event',
-                                      this._onLockScreenScroll.bind(this));
         Main.ctrlAltTabManager.addGroup(this._lockScreenGroup, _("Lock"), 'changes-prevent-symbolic');
 
         this._lockDialogGroup = new St.Widget({ x_expand: true,
@@ -226,25 +224,6 @@ var ScreenShield = class {
         return Clutter.EVENT_STOP;
     }
 
-    _onLockScreenScroll(actor, event) {
-        if (this._lockScreenState != MessageTray.State.SHOWN)
-            return Clutter.EVENT_PROPAGATE;
-
-        let delta = 0;
-        if (event.get_scroll_direction() == Clutter.ScrollDirection.SMOOTH)
-            delta = Math.abs(event.get_scroll_delta()[0]);
-        else
-            delta = 5;
-
-        this._lockScreenScrollCounter += delta;
-
-        // 7 standard scrolls to lift up
-        if (this._lockScreenScrollCounter > 35)
-            this._liftShield();
-
-        return Clutter.EVENT_STOP;
-    }
-
     _syncInhibitor() {
         let lockEnabled = this._settings.get_boolean(LOCK_ENABLED_KEY);
         let lockLocked = this._lockSettings.get_boolean(DISABLE_LOCK_KEY);
@@ -510,7 +489,6 @@ var ScreenShield = class {
         this._cursorTracker.set_pointer_visible(false);
 
         this._lockScreenState = MessageTray.State.SHOWN;
-        this._lockScreenScrollCounter = 0;
 
         if (params.fadeToBlack && params.animateFade) {
             // Take a beat