Do not run LTO on LLVM to statically link it

Author: Kobzol

src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile

@@ -88,7 +88,6 @@ ENV RUST_CONFIGURE_ARGS \
       --set target.x86_64-unknown-linux-gnu.linker=clang \
       --set target.x86_64-unknown-linux-gnu.ar=/rustroot/bin/llvm-ar \
       --set target.x86_64-unknown-linux-gnu.ranlib=/rustroot/bin/llvm-ranlib \
-      --set llvm.thin-lto=true \
       --set llvm.ninja=false \
       --set llvm.libzstd=true \
       --set rust.jemalloc \