kbuild: drop descend - converting existing users

There was only two users left of descend. Fix them so they
use $(clean)= and $(build)=.
Drop definition of descend.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---

1 files changed, 0 insertions, 5 deletions

diff --git a/Makefile b/Makefile
index 77198748ad71..7e4624a14586 100644
--- a/Makefile
+++ b/Makefile
@@ -1356,11 +1356,6 @@ build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
 # $(Q)$(MAKE) $(clean)=dir
 clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
 
-#       $(call descend,<dir>,<target>)
-#       Recursively call a sub-make in <dir> with target <target>
-# Usage is deprecated, because make does not see this as an invocation of make.
-descend =$(Q)$(MAKE) -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj=$(1) $(2)
-
 endif   # skip-makefile
 
 FORCE: