unified: Clean up build

Co-authored-by: Jeroen Ketema <93738568+jketema@users.noreply.github.com>

Author: tausbn

unified/swift-syntax-rs/BUILD.bazel

@@ -7,23 +7,11 @@ package(default_visibility = ["//visibility:public"])
 # `select()` gives us OR-of-OSes; other platforms get marked incompatible
 # so `bazel build/test //...` skips them cleanly.
 #
-# The Linux branch additionally requires x86_64: the only registered standalone
-# Linux Swift toolchain (`swift_toolchain_exec_ubuntu24.04`, see //:MODULE.bazel)
-# is x86_64-only. Without the CPU constraint, Linux/aarch64 targets would stay
-# "compatible" and then fail toolchain resolution instead of being skipped.
-config_setting(
-    name = "linux_x86_64",
-    constraint_values = [
-        "@platforms//os:linux",
-        "@platforms//cpu:x86_64",
-    ],
-)
-
-_SWIFT_SUPPORTED_PLATFORMS = select({
-    ":linux_x86_64": [],
-    "@platforms//os:macos": [],
-    "//conditions:default": ["@platforms//:incompatible"],
-})
+_SWIFT_SUPPORTED_PLATFORMS = select({
+    "@platforms//os:linux": [],
+    "@platforms//os:macos": [],
+    "//conditions:default": ["@platforms//:incompatible"],
+})
 
 # Swift FFI shim: wraps swift-syntax and exposes a small C ABI. The Rust
 # targets below link against its `CcInfo`.