Remove ref_mv from experiments

Change-Id: Idc37f9babf5fb061e0a36bf1ef8649af4520f307
diff --git a/configure b/configure
index 0a511f2..282dc3b 100755
--- a/configure
+++ b/configure
@@ -248,7 +248,6 @@
     cdef
     var_tx
     rect_tx
-    ref_mv
     tpl_mv
     dual_filter
     convolve_round