Remove CONFIG_AMVR

This tool is fully adopted.

Change-Id: Ia98710ba1e1cb0a06f937316521d8139a7b1f5f6
diff --git a/av1/encoder/mcomp.c b/av1/encoder/mcomp.c
index e8881cb..69b28ec 100644
--- a/av1/encoder/mcomp.c
+++ b/av1/encoder/mcomp.c
@@ -3145,13 +3145,9 @@
   bestmv->row = maxr;
   bestmv->col = maxc;
   besterr = 0;
-// In the sub-pel motion search, if hp is not used, then the last bit of mv
-// has to be 0.
-#if CONFIG_AMVR
+  // In the sub-pel motion search, if hp is not used, then the last bit of mv
+  // has to be 0.
   lower_mv_precision(bestmv, allow_hp, 0);
-#else
-  lower_mv_precision(bestmv, allow_hp);
-#endif
   return besterr;
 }
 // Return the minimum MV.
@@ -3173,12 +3169,8 @@
   bestmv->row = minr;
   bestmv->col = minc;
   besterr = 0;
-// In the sub-pel motion search, if hp is not used, then the last bit of mv
-// has to be 0.
-#if CONFIG_AMVR
+  // In the sub-pel motion search, if hp is not used, then the last bit of mv
+  // has to be 0.
   lower_mv_precision(bestmv, allow_hp, 0);
-#else
-  lower_mv_precision(bestmv, allow_hp);
-#endif
   return besterr;
 }