Remove stale WebGPU Compat CTS expectations

Autogenerated CL from running:

//content/test/gpu/unexpected_pass_finder.py --project chrome-unexpected-pass-data --include-internal-builders --remove-stale-expectations --narrow-semi-stale-expectation-scope --num-samples 300 --suite webgpu_compat_cts

Affected bugs for CL description:

R=rubber-stamper@appspot.gserviceaccount.com

Bug: 0000
Fixed: 397473068
Change-Id: I59e03b863951fa597de939f103156c3b9bc8ae5c
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/253797
Auto-Submit: chrome-automated-expectation@chops-service-accounts.iam.gserviceaccount.com <chrome-automated-expectation@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
diff --git a/webgpu-cts/compat-expectations.txt b/webgpu-cts/compat-expectations.txt
index 5c7ffe4..40e9976 100644
--- a/webgpu-cts/compat-expectations.txt
+++ b/webgpu-cts/compat-expectations.txt
@@ -128,8 +128,6 @@
 # point.
 ################################################################################
 
-crbug.com/397473068 webgpu:shader,execution,expression,unary,i32_conversion:f32:* [ Failure ]
-crbug.com/397473068 webgpu:shader,execution,expression,unary,u32_conversion:f32:* [ Failure ]
 
 ### TEMPORARY ANDROID SKIPS
 
@@ -861,6 +859,5 @@
 crbug.com/0000 [ intel-0x4680 linux ] webgpu:shader,execution,expression,access,array,index:runtime_sized:elementType="vec2u";indexType="u32" [ Failure ]
 crbug.com/0000 [ intel-0x4680 linux ] webgpu:shader,execution,expression,access,array,index:runtime_sized:elementType="vec3f";indexType="i32" [ Failure ]
 crbug.com/0000 [ linux nvidia ] webgpu:shader,execution,expression,call,builtin,textureSampleBaseClampToEdge:2d_coords:stage="f";textureType="texture_external";filt="linear";modeU="m";modeV="m" [ Failure ]
-crbug.com/0000 [ android-pixel-6 ] webgpu:shader,execution,expression,call,builtin,textureSampleLevel:sampled_array_2d_coords:stage="c";format="depth16unorm";filt="nearest";modeU="r";modeV="r";offset=true [ Failure ]
 crbug.com/0000 [ android-pixel-6 ] webgpu:shader,validation,shader_io,workgroup_size:workgroup_size:attr="override_expr" [ Failure ]
 crbug.com/0000 [ android-pixel-6 ] webgpu:web_platform,canvas,getCurrentTexture:multiple_frames:canvasType="onscreen" [ Failure ]