SetupWizard: Remove previous string

Change-Id: Ifc458072587ba5ab0e7e8455dbe3940074664631

res/layout/button_bar.xml

@@ -24,8 +24,7 @@
         style="@style/ButtonBar.Left"
         android:id="@+id/prev_button"
         android:layout_width="0dp"
-        android:layout_weight="1"
-        android:text="@string/prev" />
+        android:layout_weight="1"/>
 
     <Button
         style="@style/ButtonBar.Right"

res/values-af/strings.xml

@@ -18,7 +18,6 @@
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
   <string name="next">Volgende</string>
   <string name="continue_label">Gaan voort</string>
-  <string name="prev">Vorige</string>
   <string name="skip">Slaan oor</string>
   <string name="cancel">Kanselleer</string>
   <string name="ok">OK</string>

res/values-ar/strings.xml

@@ -18,7 +18,6 @@
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
   <string name="next">القادم</string>
   <string name="continue_label">متابعة</string>
-  <string name="prev">سابق</string>
   <string name="skip">تخطي</string>
   <string name="cancel">إلغاء</string>
   <string name="ok">موافق</string>

res/values-ca/strings.xml

@@ -18,7 +18,6 @@
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
   <string name="next">Següent</string>
   <string name="continue_label">Continua</string>
-  <string name="prev">Anterior</string>
   <string name="skip">Omet</string>
   <string name="cancel">Cancel·la</string>
   <string name="ok">D\'acord</string>

res/values-cs/strings.xml

@@ -18,7 +18,6 @@
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
   <string name="next">Další</string>
   <string name="continue_label">Pokračovat</string>
-  <string name="prev">Předchozí</string>
   <string name="skip">Přeskočit</string>
   <string name="cancel">Zrušit</string>
   <string name="ok">OK</string>

res/values-es/strings.xml

@@ -18,7 +18,6 @@
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
   <string name="next">Siguiente</string>
   <string name="continue_label">Continuar</string>
-  <string name="prev">Anterior</string>
   <string name="skip">Omitir</string>
   <string name="cancel">Cancelar</string>
   <string name="ok">Aceptar</string>