Revert "Opt out of Main Activity edge-to-edge"

This reverts commit 4119a6c.
---
Per upgrade to API Level 36 (ab6f8be),
`R.attr#windowOptOutEdgeToEdgeEnforcement` is deprecated and disabled.

Author: yawnoc

app/src/main/java/io/github/yawnoc/strokeinput/MainActivity.java

@@ -61,7 +61,6 @@ public class MainActivity
   protected void onCreate(final Bundle savedInstanceState)
   {
     super.onCreate(savedInstanceState);
-    getTheme().applyStyle(R.style.NoEdgeToEdge, false);
     setTitle(R.string.label__main_activity__welcome);
     setContentView(R.layout.main_activity);
 

app/src/main/res/values-v35/styles.xml

@@ -1,8 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-  <style name="NoEdgeToEdge">
-    <!-- API 34 or earlier does not need `android:windowOptOutEdgeToEdgeEnforcement` -->
-  </style>
   <style name="MainActivityText">
     <item name="android:layout_height">match_parent</item>
     <item name="android:layout_width">match_parent</item>