[rpms/rust] rawhide: remove rust_arches

[rpms/rust] rawhide: remove rust_arches

[Sun Haiyong]

            A new commit has been pushed.

            Repo   : rpms/rust
            Branch : rawhide
            Commit : e445abce7326941885701f2c9cbb52490d08893c
            Author : Sun Haiyong <sunhaiyong@zdbr.net>
            Date   : 2026-06-19T00:27:15+00:00
            Stats  : +1/-6 in 1 file(s)
            URL    : https://src.fedoraproject.org/rpms/rust/c/e445abce7326941885701f2c9cbb52490d08893c?branch=rawhide

            Log:
            remove rust_arches

Remove rust_arches so that no architecture is excluded.

keep only x86_64, i686, aarch64, ppc64le, and s390x in bootstrap_arches as an example.
If someone wants to bootstrap other architectures, they can uncomment that line and add the required architectures.

---
diff --git a/rust.spec b/rust.spec
index e70b459..474a752 100644
--- a/rust.spec
+++ b/rust.spec
@@ -6,11 +6,6 @@ License:        (Apache-2.0 OR MIT) AND (Artistic-2.0 AND BSD-3-Clause AND ISC A
 # ^ written as: (rust itself) and (bundled libraries)
 URL:            https://www.rust-lang.org
 
-# Only x86_64, i686, and aarch64 are Tier 1 platforms at this time.
-# https://doc.rust-lang.org/nightly/rustc/platform-support.html
-%global rust_arches x86_64 i686 armv7hl aarch64 ppc64le s390x riscv64
-ExclusiveArch:  %{rust_arches}
-
 # To bootstrap from scratch, set the channel and date from src/stage0
 # e.g. 1.89.0 wants rustc: 1.88.0-2025-06-26
 # or nightly wants some beta-YYYY-MM-DD
@@ -23,7 +18,7 @@ ExclusiveArch:  %{rust_arches}
 # a waste of lookaside cache space when they're most often unused.
 # Run "spectool -g rust.spec" after changing this and then "fedpkg upload" to
 # add them to sources. Remember to remove them again after the bootstrap build!
-#global bootstrap_arches %%{rust_arches}
+#global bootstrap_arches x86_64 i686 aarch64 ppc64le s390x
 
 # We need CRT files for *-wasi targets, at least as new as the commit in
 # src/ci/docker/host-x86_64/dist-various-2/build-wasi-toolchain.sh