Remove unused member variables from VP9_COMP

Removed three members from the VP9_COMP data structure:
inter_zz_count, gf_bad_count, gf_update_recommended.

These were part of the VP8 real-time mode implementation
that was removed from the initial VP9 codecbase.

Change-Id: I866b083b88ef02c74837277d50ce532ca88492f3

vp9/encoder/vp9_encodeframe.c

diff --git a/vp9/encoder/vp9_encodeframe.c b/vp9/encoder/vp9_encodeframe.c
index 44ade18..86332bc 100644
--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -683,10 +683,6 @@
                                [mbmi->ref_frame[0] != GOLDEN_FRAME]++;
       }
     }
-
-    // Count of last ref frame 0,0 usage
-    if (mbmi->mode == ZEROMV && mbmi->ref_frame[0] == LAST_FRAME)
-      cpi->inter_zz_count++;
   }
 }
 
@@ -1931,9 +1927,6 @@
 
   totalrate = 0;
 
-  // Reset frame count of inter 0,0 motion vector usage.
-  cpi->inter_zz_count = 0;
-
   vp9_zero(cm->counts.switchable_interp);
   vp9_zero(cpi->tx_stepdown_count);
 

vp9/encoder/vp9_onyx_if.c

diff --git a/vp9/encoder/vp9_onyx_if.c b/vp9/encoder/vp9_onyx_if.c
index b664f1e..0b05cf2 100644
--- a/vp9/encoder/vp9_onyx_if.c
+++ b/vp9/encoder/vp9_onyx_if.c
@@ -1032,11 +1032,6 @@
     CHECK_MEM_ERROR(cm, cpi->tok, vpx_calloc(tokens, sizeof(*cpi->tok)));
   }
 
-  // Data used for real time vc mode to see if gf needs refreshing
-  cpi->inter_zz_count = 0;
-  cpi->gf_bad_count = 0;
-  cpi->gf_update_recommended = 0;
-
   vpx_free(cpi->mb_activity_map);
   CHECK_MEM_ERROR(cm, cpi->mb_activity_map,
                   vpx_calloc(sizeof(unsigned int),

vp9/encoder/vp9_onyx_int.h

diff --git a/vp9/encoder/vp9_onyx_int.h b/vp9/encoder/vp9_onyx_int.h
index 0498043..44f1e26 100644
--- a/vp9/encoder/vp9_onyx_int.h
+++ b/vp9/encoder/vp9_onyx_int.h
@@ -529,12 +529,6 @@
   unsigned int max_mv_magnitude;
   int mv_step_param;
 
-  // Data used for real time conferencing mode to help determine if it
-  // would be good to update the gf
-  int inter_zz_count;
-  int gf_bad_count;
-  int gf_update_recommended;
-
   unsigned char *segmentation_map;
 
   // segment threashold for encode breakout