Remove TileWorkerData

This struct does not appear to be used.

Change-Id: I964362e783a7f9ab6cf6ccc98bc7a279876075b4

av1/decoder/decoder.c

diff --git a/av1/decoder/decoder.c b/av1/decoder/decoder.c
index 8dac88b..0bce555 100644
--- a/av1/decoder/decoder.c
+++ b/av1/decoder/decoder.c
@@ -145,7 +145,6 @@
     AVxWorker *const worker = &pbi->tile_workers[i];
     aom_get_worker_interface()->end(worker);
   }
-  aom_free(pbi->tile_worker_data);
   aom_free(pbi->tile_worker_info);
   aom_free(pbi->tile_workers);
 

av1/decoder/decoder.h

diff --git a/av1/decoder/decoder.h b/av1/decoder/decoder.h
index ebec47c..bb7512f 100644
--- a/av1/decoder/decoder.h
+++ b/av1/decoder/decoder.h
@@ -33,7 +33,6 @@
 extern "C" {
 #endif
 
-// TODO(hkuang): combine this with TileWorkerData.
 typedef struct TileData {
   AV1_COMMON *cm;
   aom_reader bit_reader;
@@ -47,21 +46,6 @@
   DECLARE_ALIGNED(16, uint8_t, color_index_map[2][MAX_PALETTE_SQUARE]);
 } TileData;
 
-typedef struct TileWorkerData {
-  struct AV1Decoder *pbi;
-  aom_reader bit_reader;
-  FRAME_COUNTS counts;
-  DECLARE_ALIGNED(16, MACROBLOCKD, xd);
-  /* dqcoeff are shared by all the planes. So planes must be decoded serially */
-  DECLARE_ALIGNED(16, tran_low_t, dqcoeff[MAX_TX_SQUARE]);
-#if CONFIG_CFL
-  CFL_CTX cfl;
-#endif
-  FRAME_CONTEXT tctx;
-  DECLARE_ALIGNED(16, uint8_t, color_index_map[2][MAX_PALETTE_SQUARE]);
-  struct aom_internal_error_info error_info;
-} TileWorkerData;
-
 typedef struct TileBufferDec {
   const uint8_t *data;
   size_t size;
@@ -86,7 +70,6 @@
   AVxWorker *frame_worker_owner;  // frame_worker that owns this pbi.
   AVxWorker lf_worker;
   AVxWorker *tile_workers;
-  TileWorkerData *tile_worker_data;
   TileInfo *tile_worker_info;
   int num_tile_workers;