Revert "Added background for manual settings"

This reverts commit 2aefcecd8a.

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

@@ -135,18 +135,6 @@
             android:orientation="vertical"
             app:layout_constraintGuide_percent="0.5" />
 
-        <View
-            android:id="@+id/vwSeparatorManual"
-            android:layout_width="0dp"
-            android:layout_height="0dp"
-            android:layout_marginVertical="6dp"
-            android:alpha="0.1"
-            android:background="?attr/colorAccent"
-            app:layout_constraintBottom_toTopOf="@id/btnInbox"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/ibManual" />
-
         <Button
             android:id="@+id/btnAccount"
             style="?android:attr/buttonStyleSmall"
@@ -523,7 +511,6 @@
             android:layout_width="0dp"
             android:layout_height="0dp"
             app:constraint_referenced_ids="
-            vwSeparatorManual,
             btnAccount,tvAccount,tvImap,tvPop,
             btnIdentity,tvIdentity,tvSmtp,tvAliases,
             tvAccountIdentity,tvExchangeSupport,tvIdentityWhat" />