VmLauncher app is not launchable from the home app

It is never directly exposed to the end users. Plus, this is required to
make this app available for secondary users (ex: work profile).

Bug: 353247445
Test: check the existence of the app in work profile
Change-Id: Iff2677b2198dc0e4a2d58ddc1638e1745ede09a4
diff --git a/vmlauncher_app/AndroidManifest.xml b/vmlauncher_app/AndroidManifest.xml
index f39e53b..32724f8 100644
--- a/vmlauncher_app/AndroidManifest.xml
+++ b/vmlauncher_app/AndroidManifest.xml
@@ -15,20 +15,10 @@
                   android:theme="@style/MyTheme"
                   android:exported="true">
             <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
                 <action android:name="android.virtualization.VM_LAUNCHER" />
                 <category android:name="android.intent.category.DEFAULT" />
-            </intent-filter>
+	    </intent-filter>
         </activity>
-        <activity-alias android:name=".MainActivityAlias"
-                android:targetActivity="com.android.virtualization.vmlauncher.MainActivity"
-                android:exported="true"
-                android:enabled="false">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-        </activity-alias>
     </application>
 
 </manifest>