Remove unused ONE_LOOP entry from speed feature

Change-Id: I56ead0ebc2491144c4e79e5859b05e126176702c

vp9/encoder/vp9_bitstream.c

@@ -613,7 +613,6 @@ static void update_coef_probs_common(vp9_writer* const bc, VP9_COMP *cpi,
       return;
     }
 
-    case ONE_LOOP:
     case ONE_LOOP_REDUCED: {
       int updates = 0;
       int noupdates_before_first = 0;

vp9/encoder/vp9_speed_features.h

@@ -163,12 +163,9 @@ typedef enum {
   // before the final run.
   TWO_LOOP = 0,
 
-  // No dry run conducted.
-  ONE_LOOP = 1,
-
   // No dry run, also only half the coef contexts and bands are updated.
   // The rest are not updated at all.
-  ONE_LOOP_REDUCED = 2
+  ONE_LOOP_REDUCED = 1
 } FAST_COEFF_UPDATE;
 
 typedef struct MV_SPEED_FEATURES {