Remove unused kill switch image resource

Change image resource order

android/java/org/chromium/chrome/browser/vpn/activities/VpnAlwaysOnActivity.java

@@ -5,11 +5,8 @@
 
 package org.chromium.chrome.browser.vpn.activities;
 
-import android.content.Intent;
 import android.view.MenuItem;
-import android.view.View;
 import android.widget.Button;
-import android.widget.TextView;
 
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.widget.Toolbar;
@@ -34,9 +31,7 @@ public class VpnAlwaysOnActivity extends AsyncInitializationActivity {
         ActionBar actionBar = getSupportActionBar();
         assert actionBar != null;
         actionBar.setDisplayHomeAsUpEnabled(true);
-        actionBar.setTitle(
-                getResources()
-                        .getString(R.string.always_on_vpn));
+        actionBar.setTitle(getResources().getString(R.string.always_on_vpn));
 
         ViewPager killSwitchTutorialViewPager = findViewById(R.id.kill_switch_tutorial_view_pager);
 

android/java/org/chromium/chrome/browser/vpn/adapters/AlwaysOnPagerAdapter.java

@@ -67,9 +67,6 @@ public class AlwaysOnPagerAdapter extends PagerAdapter {
 
         ImageView killSwitchTutorialImage = view.findViewById(R.id.kill_switch_tutorial_image);
         int killSwitchImage = mImageResources.get(position);
-        if (position == 2) {
-            killSwitchImage = R.drawable.ic_vpn_always_on_4;
-        }
         killSwitchTutorialImage.setImageResource(killSwitchImage);
 
         collection.addView(view);