docs: kbuild: remove mention to dropped $(objtree) feature
authorMiguel Ojeda <ojeda@kernel.org>
Sat, 7 Jan 2023 14:37:47 +0000 (15:37 +0100)
committerMasahiro Yamada <masahiroy@kernel.org>
Sun, 8 Jan 2023 22:34:37 +0000 (07:34 +0900)
commite3c9405ec56b6b0a75d993427bfc7f4194f73754
tree3752ecb399147554fb10115255ea50aa928e15b2
parentb7bfaa761d760e72a969d116517eaa12e404c262
docs: kbuild: remove mention to dropped $(objtree) feature

Commit 8d613a1d048c ("kbuild: drop $(objtree)/ prefix support
for clean-files") dropped support for prefixing with $(objtree).

Thus update the documentation to match that change.

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Documentation/kbuild/makefiles.rst