avfilter/vf_chromashift: remove unused header

Reverts ef479ee6.

libavfilter/Makefile

@@ -176,7 +176,7 @@ OBJS-$(CONFIG_BOXBLUR_OPENCL_FILTER)         += vf_avgblur_opencl.o opencl.o \
 OBJS-$(CONFIG_BWDIF_FILTER)                  += vf_bwdif.o yadif_common.o
 OBJS-$(CONFIG_CHROMAHOLD_FILTER)             += vf_chromakey.o
 OBJS-$(CONFIG_CHROMAKEY_FILTER)              += vf_chromakey.o
-OBJS-$(CONFIG_CHROMASHIFT_FILTER)            += vf_chromashift.o framesync.o
+OBJS-$(CONFIG_CHROMASHIFT_FILTER)            += vf_chromashift.o
 OBJS-$(CONFIG_CIESCOPE_FILTER)               += vf_ciescope.o
 OBJS-$(CONFIG_CODECVIEW_FILTER)              += vf_codecview.o
 OBJS-$(CONFIG_COLORBALANCE_FILTER)           += vf_colorbalance.o

libavfilter/vf_chromashift.c

@@ -28,7 +28,6 @@
 #include "avfilter.h"
 #include "formats.h"
 #include "internal.h"
-#include "framesync.h"
 #include "video.h"
 
 typedef struct ChromaShiftContext {