scalar or vector: fix clippy

Author: Firestar99

crates/spirv-std/src/arch/subgroup.rs

@@ -1,13 +1,12 @@
 #[cfg(target_arch = "spirv")]
-use crate::arch::barrier;
+use crate::ScalarOrVectorTransform;
+#[cfg(target_arch = "spirv")]
+use crate::arch::{asm, barrier};
 #[cfg(target_arch = "spirv")]
 use crate::memory::{Scope, Semantics};
 use crate::{
-    Float, Integer, ScalarOrVector, ScalarOrVectorComposite, ScalarOrVectorTransform,
-    SignedInteger, UnsignedInteger,
+    Float, Integer, ScalarOrVector, ScalarOrVectorComposite, SignedInteger, UnsignedInteger,
 };
-#[cfg(target_arch = "spirv")]
-use core::arch::asm;
 
 #[cfg(target_arch = "spirv")]
 const SUBGROUP: u32 = Scope::Subgroup as u32;