Remove duplicate prototype for MJPGToARGB

include/libyuv/planar_functions.h

Index: include/libyuv/planar_functions.h
diff --git a/include/libyuv/planar_functions.h b/include/libyuv/planar_functions.h
index 9d30225d4cbb6d5bdef9dbbf2be9c15d603bc962..95870b9aea6114fed3e8b288edb7c92c229ec26b 100644
--- a/include/libyuv/planar_functions.h
+++ b/include/libyuv/planar_functions.h
@@ -384,12 +384,6 @@ int ARGBUnattenuate(const uint8* src_argb, int src_stride_argb,
                     uint8* dst_argb, int dst_stride_argb,
                     int width, int height);
 
-// Convert MJPG to ARGB.
-LIBYUV_API
-int MJPGToARGB(const uint8* sample, size_t sample_size,
-               uint8* argb, int argb_stride,
-               int w, int h, int dw, int dh);
-
 // Internal function - do not call directly.
 // Computes table of cumulative sum for image where the value is the sum
 // of all values above and to the left of the entry. Used by ARGBBlur.