Removing accessibility description from page indicators

The current page is announced upon switching to it.
Is should be done this way for all future page implementations with
indicators.

Bug: 77827828
Test: Manual
Change-Id: I8f2f163a261dd7098939674d39e014236fc66d5d

src/com/android/launcher3/allapps/PersonalWorkSlidingTabStrip.java

@@ -25,6 +25,7 @@ import android.util.AttributeSet;
 import android.view.View;
 import android.widget.Button;
 import android.widget.LinearLayout;
+
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
@@ -167,10 +168,4 @@ public class PersonalWorkSlidingTabStrip extends LinearLayout implements PageInd
 
     @Override
     public void setMarkersCount(int numMarkers) { }
-
-    @Override
-    public void setPageDescription(CharSequence description) {
-        // We don't want custom page description as the tab-bar already has two tabs with their
-        // own descriptions.
-    }
 }