vp10: merge universal_hp experiment into misc_fixes.

Change-Id: I79fc3c0594535adc0056339c929cff69b8188760

configure

@@ -265,7 +265,6 @@ EXPERIMENT_LIST="
     fp_mb_stats
     emulate_hardware
     misc_fixes
-    universal_hp
     ext_ipred_bltr
 "
 CONFIG_LIST="

vp10/common/entropymv.c

@@ -128,7 +128,7 @@ MV_CLASS_TYPE vp10_get_mv_class(int z, int *offset) {
 }
 
 int vp10_use_mv_hp(const MV *ref) {
-#if CONFIG_UNIVERSAL_HP
+#if CONFIG_MISC_FIXES
   (void) ref;
   return 1;
 #else