Revert "Mark HTMLViewer as required for all profikes"

This reverts commit a168cc8e3b25b3a4d2c48f1a623ee3337d78e8f0.

We've switched to a whitelist approach.

Change-Id: Ibe603e9c913a28bbb8cf982e1e1fee4d3eb82f8d
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index c1c6b7c..315a958 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -22,8 +22,7 @@
 
     <original-package android:name="com.android.htmlviewer" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-    <application android:label="@string/app_label"
-        android:requiredForProfile="all">
+    <application android:label="@string/app_label">
         <activity android:name="HTMLViewerActivity" android:label="HTMLViewer"
                   android:theme="@android:style/Theme.Holo" >
             <intent-filter>