remove unused high-bit-depth args from arg list

Change-Id: I8373a0e980aaaa0d0cab8b2e69d1a897ff5aec2d

vpxenc.c

diff --git a/vpxenc.c b/vpxenc.c
index c2d8171..53ba44e 100644
--- a/vpxenc.c
+++ b/vpxenc.c
@@ -452,9 +452,6 @@
   &frame_parallel_decoding, &aq_mode, &frame_periodic_boost,
   &noise_sens, &tune_content, &input_color_space,
   &min_gf_interval, &max_gf_interval,
-#if CONFIG_VP9_HIGHBITDEPTH
-  &bitdeptharg, &inbitdeptharg,
-#endif
   NULL
 };
 static const int vp9_arg_ctrl_map[] = {