remove const_generics from codegen tests

Author: KodrAus

src/test/codegen/simd-intrinsic/simd-intrinsic-generic-extract-insert.rs

@@ -2,8 +2,8 @@
 
 #![crate_type = "lib"]
 
-#![feature(repr_simd, platform_intrinsics, const_generics)]
-#![allow(non_camel_case_types, incomplete_features)]
+#![feature(repr_simd, platform_intrinsics, min_const_generics)]
+#![allow(non_camel_case_types)]
 
 #[repr(simd)]
 #[derive(Copy, Clone)]

src/test/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs

@@ -4,8 +4,8 @@
 
 #![crate_type = "lib"]
 
-#![allow(non_camel_case_types, incomplete_features)]
-#![feature(repr_simd, platform_intrinsics, const_generics)]
+#![allow(non_camel_case_types)]
+#![feature(repr_simd, platform_intrinsics, min_const_generics)]
 
 #[repr(simd)]
 #[derive(Copy, Clone)]