4265 remove INTERNAL_RELEASE_BUILD

@@ -757,18 +757,16 @@
 # Functions for setting build flags (DEBUG/non-DEBUG).  Keep them
 # together.
 #
 
 function set_non_debug_build_flags {
-        export INTERNAL_RELEASE_BUILD ; INTERNAL_RELEASE_BUILD=
         export RELEASE_BUILD ; RELEASE_BUILD=
         unset EXTRA_OPTIONS
         unset EXTRA_CFLAGS
 }
 
 function set_debug_build_flags {
-        export INTERNAL_RELEASE_BUILD ; INTERNAL_RELEASE_BUILD=
         unset RELEASE_BUILD
         unset EXTRA_OPTIONS
         unset EXTRA_CFLAGS
 }