Revert "Set widget images tint mode"

This reverts commit 8c3d9e62e4.

app/src/main/res/layout/widget_new.xml

@@ -21,7 +21,6 @@
             android:padding="3dp"
             android:scaleType="fitXY"
             android:src="@drawable/baseline_mail_widget_24"
-            android:tintMode="add"
             app:tint="@color/colorWidgetForeground" />
 
         <TextView

app/src/main/res/layout/widget_sync.xml

@@ -20,7 +20,6 @@
             android:contentDescription="@string/title_widget_title_sync"
             android:scaleType="fitXY"
             android:src="@drawable/twotone_sync_disabled_24"
-            android:tintMode="add"
             app:tint="@color/colorWidgetForeground" />
     </RelativeLayout>
 </FrameLayout>

app/src/main/res/layout/widget_unified.xml

@@ -39,7 +39,6 @@
                 android:contentDescription="@string/tile_synchronize"
                 android:padding="6dp"
                 android:src="@drawable/twotone_sync_24"
-                android:tintMode="add"
                 android:visibility="gone"
                 app:tint="@color/colorWidgetForeground" />
 
@@ -51,7 +50,6 @@
                 android:contentDescription="@string/title_compose"
                 android:padding="6dp"
                 android:src="@drawable/twotone_edit_24"
-                android:tintMode="add"
                 android:visibility="gone"
                 app:tint="@color/colorWidgetForeground" />
         </LinearLayout>