Remove skip_eob_node from TOKENEXTRA

It's not being used anymore.

Change-Id: I866874dcc5485cf3db8c66e8d3e76ac45193e58c
diff --git a/av1/encoder/tokenize.c b/av1/encoder/tokenize.c
index 17bf1cc..2cc918e 100644
--- a/av1/encoder/tokenize.c
+++ b/av1/encoder/tokenize.c
@@ -350,7 +350,6 @@
   // The first color index does not use context or entropy.
   (*t)->token = color_map[0];
   (*t)->palette_cdf = NULL;
-  (*t)->skip_eob_node = 0;
   ++(*t);
 
   const int n = pmi->palette_size[plane];
@@ -375,7 +374,6 @@
       }
       (*t)->token = color_new_idx;
       (*t)->palette_cdf = palette_cdf[n - PALETTE_MIN_SIZE][color_ctx];
-      (*t)->skip_eob_node = 0;
       ++(*t);
     }
   }
diff --git a/av1/encoder/tokenize.h b/av1/encoder/tokenize.h
index e315a1a..5827ee3 100644
--- a/av1/encoder/tokenize.h
+++ b/av1/encoder/tokenize.h
@@ -45,7 +45,6 @@
   const aom_prob *context_tree;
   EXTRABIT extra;
   uint8_t token;
-  uint8_t skip_eob_node;
 } TOKENEXTRA;
 
 extern const aom_tree_index av1_coef_tree[];