[Provider Model] Correct the Settings shortcut of the Settings Widget

The Settings is used the "Internet" settings instead of "Wi-Fi" settings
after Provider Model enabled.

The Settings shortcut of the Settings widget should update below.
  - Remove "Wi-Fi" shortcut from the Settings widget
  - Correct the "Network & internet" shortcut to "Internet"

Bug: 194644851
Test: manual test
  atest -c SettingsUnitTests
  make RunSettingsRoboTests
Change-Id: I488327a01f5e539ecbe315b7016f65084dfd59a1

AndroidManifest.xml

@@ -274,10 +274,6 @@
                 <action android:name="android.settings.WIFI_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
-            <intent-filter android:priority="1">
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="com.android.settings.SHORTCUT" />
-            </intent-filter>
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
                 android:value="com.android.settings.wifi.WifiSettings" />
             <meta-data android:name="com.android.settings.PRIMARY_PROFILE_CONTROLLED"
@@ -286,7 +282,7 @@
 
         <activity
             android:name="Settings$NetworkProviderSettingsActivity"
-            android:label="@string/network_dashboard_title"
+            android:label="@string/provider_internet_settings"
             android:icon="@drawable/ic_homepage_network"
             android:exported="true"
             android:configChanges="orientation|keyboardHidden|screenSize">