Clean up PC QWERTY keyboard

Change-Id: Ibb52683e8f27517b9e7bf398d3b7a31215bd5a8d
diff --git a/java/res/xml/rowkeys_pcqwerty4.xml b/java/res/xml/rowkeys_pcqwerty4.xml
index f00baeb..b558f41 100644
--- a/java/res/xml/rowkeys_pcqwerty4.xml
+++ b/java/res/xml/rowkeys_pcqwerty4.xml
@@ -21,20 +21,10 @@
 <merge
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
 >
-    <switch>
-        <case
-            latin:keyboardLayoutSetElement="symbols"
-        >
-            <include
-                latin:keyboardLayout="@xml/keys_pcqwerty_symbols4" />
-        </case>
-        <default>
-            <!-- The keys on this PC layout row4 consist of the letters of QWERTY layout row3 and
-                 some symbols keys. -->
-            <include
-                latin:keyboardLayout="@xml/rowkeys_qwerty3" />
-        </default>
-    </switch>
+    <!-- The keys on this PC layout row4 consist of the letters of QWERTY layout row3 and
+         some symbols keys. -->
+    <include
+        latin:keyboardLayout="@xml/rowkeys_qwerty3" />
     <include
         latin:keyboardLayout="@xml/keys_pcqwerty4_right3" />
 </merge>