Remove SkMovie and giflib

src/ports/SkImageEncoder_none.cpp

Index: src/ports/SkImageEncoder_none.cpp
diff --git a/src/ports/SkImageEncoder_none.cpp b/src/ports/SkImageEncoder_none.cpp
index c7d4b92425be64ae299c2b8a514265792d0c8e75..327a2201113668df6184ee25c5e163ffbec59e45 100644
--- a/src/ports/SkImageEncoder_none.cpp
+++ b/src/ports/SkImageEncoder_none.cpp
@@ -8,20 +8,11 @@
 #include "SkBitmap.h"
 #include "SkImage.h"
 #include "SkImageEncoder.h"
-#include "SkMovie.h"
 #include "SkPixelSerializer.h"
 #include "SkStream.h"
 
 /////////////////////////////////////////////////////////////////////////
 
-// Empty implementation for SkMovie.
-
-SkMovie* SkMovie::DecodeStream(SkStreamRewindable* stream) {
-    return nullptr;
-}
-
-/////////////////////////////////////////////////////////////////////////
-
 // Empty implementations for SkImageEncoder.
 
 SkImageEncoder* SkImageEncoder::Create(Type t) {