Remove dead experiment flag: onthefly_bitpacking

CONFIG_ONTHEFLY_BITPACKING no longer guards any code. Remove
the flag from the configure and CMake builds.

Change-Id: Id5605155bdedbf540fe5b9cea3899e8de5ee1062

build/cmake/aom_config_defaults.cmake

@@ -102,7 +102,6 @@ set(CONFIG_HIGHBITDEPTH 1 CACHE NUMBER "Enables high bit depth support.")
 set(CONFIG_INSPECTION 0 CACHE NUMBER "Enables bitstream inspection.")
 set(CONFIG_INTERNAL_STATS 0 CACHE NUMBER "Codec stats.")
 set(CONFIG_LOWBITDEPTH 1 CACHE NUMBER "Enables low bit depth support.")
-set(CONFIG_ONTHEFLY_BITPACKING 0 CACHE NUMBER "AV1 experiment flag.")
 set(CONFIG_REALTIME_ONLY 0 CACHE NUMBER "Support only realtime encodes.")
 set(CONFIG_SIZE_LIMIT 0 CACHE NUMBER "Limit max decode width/height.")
 set(CONFIG_SPATIAL_RESAMPLING 1 CACHE NUMBER "Spatial resampling.")

configure

@@ -44,7 +44,6 @@ Advanced options:
   ${toggle_multithread}           multithreaded encoding and decoding
   ${toggle_spatial_resampling}    spatial sampling (scaling) support
   ${toggle_realtime_only}         enable this option while building for real-time encoding
-  ${toggle_onthefly_bitpacking}   enable on-the-fly bitpacking in real-time encoding
   ${toggle_error_concealment}     enable this option to get a decoder which is able to conceal losses
   ${toggle_coefficient_range_checking}
                                   enable decoder to check if intermediate
@@ -369,7 +368,6 @@ CONFIG_LIST="
     static_msvcrt
     spatial_resampling
     realtime_only
-    onthefly_bitpacking
     error_concealment
     shared
     static
@@ -429,7 +427,6 @@ CMDLINE_SELECT="
     static_msvcrt
     spatial_resampling
     realtime_only
-    onthefly_bitpacking
     error_concealment
     shared
     static