tint: delete e2e test for bug/tint/807

This test really only tests a Tint defensive check while we wait for a
proper spirv-val fix:
https://github.com/KhronosGroup/SPIRV-Tools/issues/4354

Bug: tint:1521
Change-Id: I02ae231657452dd7f92374df47e3e5a3976371e8
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88361
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>

test/tint/bug/tint/807.spv.expected.glsl

@@ -1,8 +0,0 @@
-SKIP: FAILED
-
-
-struct buf0 {
-  resolution : vec2<f32>,
-}
-
-error: undef pointer is not valid: %845 = OpUndef %434

test/tint/bug/tint/807.spv.expected.hlsl

@@ -1,8 +0,0 @@
-SKIP: FAILED
-
-
-struct buf0 {
-  resolution : vec2<f32>,
-};
-
-error: undef pointer is not valid: %845 = OpUndef %434

test/tint/bug/tint/807.spv.expected.msl

@@ -1,3 +0,0 @@
-SKIP: FAILED
-
-error: undef pointer is not valid: %845 = OpUndef %434

test/tint/bug/tint/807.spv.expected.spvasm

@@ -1,3 +0,0 @@
-SKIP: FAILED
-
-error: undef pointer is not valid: %845 = OpUndef %434

test/tint/bug/tint/807.spv.expected.wgsl

@@ -1,3 +0,0 @@
-SKIP: FAILED
-
-error: undef pointer is not valid: %845 = OpUndef %434