remove presetting the rust toolchain

We don't need to explicitely use the stable toolchain,  since the bug in
`git2` is fixed in v0.13.20, and with that it can be build with nightly,
too.

1 files changed, 0 insertions, 4 deletions

diff --git a/PKGBUILD b/PKGBUILD
index 89c2722177e7..2b277605e71b 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -34,10 +34,6 @@ _setup_build_env() {
             when the CARGO_HOME variable is already set in your environ-
             ment.)"
   fi
-
-  # git2 cannot be built with current nightly due to a regression; for ref.:
-  # https://github.com/rust-lang/rust/issues/85574
-  export RUSTUP_TOOLCHAIN=stable
 }
 
 prepare() {