Remove vestigial cruft from CONFIG_RESTRICT_COMPRESSED_HDR.

BUG=aomedia:870

Change-Id: I7bc1b502ab403d761f96ea1f81b0217cb1f274d6

build/cmake/aom_experiment_deps.cmake

@@ -109,13 +109,6 @@ macro (fix_experiment_configs)
     endif ()
   endif ()
 
-  if (CONFIG_NEW_MULTISYMBOL)
-    if (NOT CONFIG_RESTRICT_COMPRESSED_HDR)
-      change_config_and_warn(CONFIG_RESTRICT_COMPRESSED_HDR 1
-                             CONFIG_NEW_MULTISYMBOL)
-    endif ()
-  endif ()
-
   if (CONFIG_STRIPED_LOOP_RESTORATION)
     if (NOT CONFIG_LOOP_RESTORATION)
       change_config_and_warn(CONFIG_LOOP_RESTORATION 1