Remove unused references to ISurface

Change-Id: I542806b5c91c525ed7cde821f6963f1e020ddf1a
diff --git a/include/media/IMediaPlayer.h b/include/media/IMediaPlayer.h
index 70519ef..9b1af6b 100644
--- a/include/media/IMediaPlayer.h
+++ b/include/media/IMediaPlayer.h
@@ -24,7 +24,6 @@
 namespace android {
 
 class Parcel;
-class ISurface;
 class Surface;
 class ISurfaceTexture;
 
diff --git a/include/media/IOMX.h b/include/media/IOMX.h
index 16a9342..3c65147 100644
--- a/include/media/IOMX.h
+++ b/include/media/IOMX.h
@@ -33,7 +33,6 @@
 class IMemory;
 class IOMXObserver;
 class IOMXRenderer;
-class ISurface;
 class Surface;
 
 class IOMX : public IInterface {
diff --git a/include/media/MediaPlayerInterface.h b/include/media/MediaPlayerInterface.h
index 117d7eb..447942b 100644
--- a/include/media/MediaPlayerInterface.h
+++ b/include/media/MediaPlayerInterface.h
@@ -32,7 +32,6 @@
 namespace android {
 
 class Parcel;
-class ISurface;
 class Surface;
 class ISurfaceTexture;