test: Regenerate vk-gl-cts WGSL sources

This removes @stride, which will soon be invalid.

Bug: tint:1381
Change-Id: I3cbe987edb9b918b2f344b92a4f0fe4838df4a80
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/83962
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>

test/tint/vk-gl-cts/graphicsfuzz/uninit-element-cast-in-loop/0-opt.wgsl

@@ -1,6 +1,6 @@
 struct buf0 {
   injectionSwitch : vec2<f32>;
-};
+}
 
 @group(0) @binding(0) var<uniform> x_5 : buf0;
 
@@ -28,13 +28,12 @@ fn main_1() {
       x_32_phi = x_33;
     }
   }
-  return;
 }
 
 struct main_out {
   @location(0)
   x_GLF_color_1 : vec4<f32>;
-};
+}
 
 @stage(fragment)
 fn main() -> main_out {