Remove redundant function definitions from vp9_dct.h

Change-Id: I963f08f1023481712c6f9ed624ddf05e5bac6321

vp9/encoder/vp9_dct.h

diff --git a/vp9/encoder/vp9_dct.h b/vp9/encoder/vp9_dct.h
index bdcc499..6ce7e96 100644
--- a/vp9/encoder/vp9_dct.h
+++ b/vp9/encoder/vp9_dct.h
@@ -11,22 +11,12 @@
 #ifndef VP9_ENCODER_VP9_DCT_H_
 #define VP9_ENCODER_VP9_DCT_H_
 
-#include "vp9/common/vp9_idct.h"
-
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 void vp9_fdct32(const tran_high_t *input, tran_high_t *output, int round);
 
-void vp9_highbd_fdct4x4_c(const int16_t *input, tran_low_t *output, int stride);
-void vp9_highbd_fdct8x8_c(const int16_t *input, tran_low_t *output, int stride);
-void vp9_highbd_fdct16x16_c(const int16_t *input, tran_low_t *output,
-                            int stride);
-void vp9_highbd_fdct32x32_c(const int16_t *input, tran_low_t *out, int stride);
-void vp9_highbd_fdct32x32_rd_c(const int16_t *input, tran_low_t *out,
-                               int stride);
-
 #ifdef __cplusplus
 }  // extern "C"
 #endif