Remove remaining "Item added to home screen" annoucement from talkback.

Based on https://b.corp.google.com/issues/383457529#comment5, we should remove all app annouced confirmation.

Bug: 386247991
Test: build
Flag: EXEMPT a11y bug fix
Change-Id: I0ba2e282a42c0785c8bdad1be23adf2bf90a44b3
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 6f293b6..525f4a7 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -406,9 +406,6 @@
     <!-- Accessibility action to move item to the current location. [CHAR_LIMIT=30] -->
     <string name="action_move_here">Move item here</string>
 
-    <!-- Accessibility confirmation for item added to workspace. -->
-    <string name="item_added_to_workspace">Item added to home screen</string>
-
     <!-- Accessibility confirmation for item removed. [CHAR_LIMIT=50]-->
     <string name="item_removed">Item removed</string>
 
diff --git a/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
index d115f9f..c91e783 100644
--- a/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
+++ b/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
@@ -24,7 +24,6 @@
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherSettings;
-import com.android.launcher3.R;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.shortcuts.DeepShortcutView;
@@ -67,7 +66,6 @@
                         screenId, coordinates[0], coordinates[1]);
                 mContext.bindItems(Collections.singletonList(info), true);
                 AbstractFloatingView.closeAllOpenViews(mContext);
-                announceConfirmation(R.string.item_added_to_workspace);
             }));
             return true;
         }