Remove unused private variables from vp10_inv_txfm2d_test.cc

Change-Id: Ie933d754aca649bdf17cd679b9a31239bf413b63

test/vp10_inv_txfm2d_test.cc

diff --git a/test/vp10_inv_txfm2d_test.cc b/test/vp10_inv_txfm2d_test.cc
index eef95f0..fef4629 100644
--- a/test/vp10_inv_txfm2d_test.cc
+++ b/test/vp10_inv_txfm2d_test.cc
@@ -104,8 +104,6 @@
   TX_SIZE tx_size_;
   int txfm1d_size_;
   int txfm2d_size_;
-  Fwd_Txfm2d_Func fwd_txfm_;
-  Inv_Txfm2d_Func inv_txfm_;
   int16_t* input_;
   uint16_t* ref_input_;
   int32_t* output_;