Remove VIA methods that are hidden in API version 23.

Change-Id: I648bdc12fb969400288b547d6d7497cd4812c730
diff --git a/system-api/23.txt b/system-api/23.txt
index 6903439..8cfbb2a 100644
--- a/system-api/23.txt
+++ b/system-api/23.txt
@@ -5237,21 +5237,17 @@
   }
 
   public static class VoiceInteractor.AbortVoiceRequest extends android.app.VoiceInteractor.Request {
-    ctor public VoiceInteractor.AbortVoiceRequest(java.lang.CharSequence, android.os.Bundle);
     method public void onAbortResult(android.os.Bundle);
   }
 
   public static class VoiceInteractor.CommandRequest extends android.app.VoiceInteractor.Request {
-    ctor public VoiceInteractor.CommandRequest(java.lang.String, android.os.Bundle);
   }
 
   public static class VoiceInteractor.CompleteVoiceRequest extends android.app.VoiceInteractor.Request {
-    ctor public VoiceInteractor.CompleteVoiceRequest(java.lang.CharSequence, android.os.Bundle);
     method public void onCompleteResult(android.os.Bundle);
   }
 
   public static class VoiceInteractor.ConfirmationRequest extends android.app.VoiceInteractor.Request {
-    ctor public VoiceInteractor.ConfirmationRequest(java.lang.CharSequence, android.os.Bundle);
     method public void onConfirmationResult(boolean, android.os.Bundle);
   }