chore(3p/nix): unvendor tvix 0.1 r/4098

Nothing is using this now, and we'll likely never pick this up again,
but we learned a lot in the process.

Every now and then this breaks in some bizarre way on channel bumps
and it's just a waste of time to maintain that.

Change-Id: Idcf2f5acd4ca7070ce18d7149cbfc0d967dc0a44
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5632
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Autosubmit: tazjin <tazjin@tvl.su>

1 files changed, 0 insertions, 19 deletions

diff --git a/third_party/nix/src/libexpr/function-trace.cc b/third_party/nix/src/libexpr/function-trace.cc
deleted file mode 100644
index b1b856965c2a..000000000000
--- a/third_party/nix/src/libexpr/function-trace.cc
+++ /dev/null
@@ -1,19 +0,0 @@
-#include "libexpr/function-trace.hh"
-
-#include <glog/logging.h>
-
-namespace nix {
-
-FunctionCallTrace::FunctionCallTrace(const Pos& pos) : pos(pos) {
-  auto duration = std::chrono::high_resolution_clock::now().time_since_epoch();
-  auto ns = std::chrono::duration_cast<std::chrono::nanoseconds>(duration);
-  LOG(INFO) << "function-trace entered " << pos << " at " << ns.count();
-}
-
-FunctionCallTrace::~FunctionCallTrace() {
-  auto duration = std::chrono::high_resolution_clock::now().time_since_epoch();
-  auto ns = std::chrono::duration_cast<std::chrono::nanoseconds>(duration);
-  LOG(INFO) << "function-trace exited " << pos << " at " << ns.count();
-}
-
-}  // namespace nix