Remove deprecated variable from MB_MODE_INFO_EXT

Change-Id: I2372adf38dd0744463325a0301e6e792464b6f91

av1/encoder/block.h

diff --git a/av1/encoder/block.h b/av1/encoder/block.h
index cab3ecf..6a57768 100644
--- a/av1/encoder/block.h
+++ b/av1/encoder/block.h
@@ -90,8 +90,6 @@
   CANDIDATE_MV ref_mv_stack[MODE_CTX_REF_FRAMES][USABLE_REF_MV_STACK_SIZE];
   uint16_t weight[MODE_CTX_REF_FRAMES][USABLE_REF_MV_STACK_SIZE];
   int_mv global_mvs[REF_FRAMES];
-  // TODO(Ravi/Remya): Check if this variable is still needed at block level
-  int cb_offset;
   int16_t mode_context[MODE_CTX_REF_FRAMES];
   uint8_t ref_mv_count[MODE_CTX_REF_FRAMES];
 } MB_MODE_INFO_EXT;

av1/encoder/encodeframe.c

diff --git a/av1/encoder/encodeframe.c b/av1/encoder/encodeframe.c
index 03abf55..bed7890 100644
--- a/av1/encoder/encodeframe.c
+++ b/av1/encoder/encodeframe.c
@@ -1550,7 +1550,6 @@
   update_state(cpi, td, ctx, mi_row, mi_col, bsize, dry_run);
 
   if (!dry_run) {
-    x->mbmi_ext->cb_offset = x->cb_offset;
     x->mbmi_ext_frame->cb_offset = x->cb_offset;
     assert(x->cb_offset <
            (1 << num_pels_log2_lookup[cpi->common.seq_params.sb_size]));