remove unused view

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

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

@@ -29,11 +29,4 @@
         android:id="@+id/controller_container"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
-
-    <com.bluelinelabs.conductor.ChangeHandlerFrameLayout
-        android:id="@+id/chatControllerView"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:visibility="gone" />
-
 </RelativeLayout>