chore(3p/nix): Remove old build system and other miscellanies r/741

There are still remnants of the old build system (for example, the
build derivations are not yet updated at all), but we'll get there.

1 files changed, 0 insertions, 11 deletions

diff --git a/third_party/nix/mk/clean.mk b/third_party/nix/mk/clean.mk
deleted file mode 100644
index ce9afb3b0db7..000000000000
--- a/third_party/nix/mk/clean.mk
+++ /dev/null
@@ -1,11 +0,0 @@
-clean-files :=
-
-clean:
-	$(suppress) rm -fv -- $(clean-files)
-
-dryclean:
-	@for i in $(clean-files); do if [ -e $$i ]; then echo $$i; fi; done | sort
-
-print-top-help += \
-  echo "  clean: Delete generated files"; \
-  echo "  dryclean: Show what files would be deleted by 'make clean'";