[hlsl] Remove unused references to wgsl namespace

This removes some unnecessary build dependencies.

Change-Id: I418b85c98f27928c4f68c57c7ba3cc3f2a2ae813
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/250817
Reviewed-by: dan sinclair <dsinclair@chromium.org>
diff --git a/src/tint/lang/hlsl/writer/helpers/BUILD.bazel b/src/tint/lang/hlsl/writer/helpers/BUILD.bazel
index b51b642..04c643f 100644
--- a/src/tint/lang/hlsl/writer/helpers/BUILD.bazel
+++ b/src/tint/lang/hlsl/writer/helpers/BUILD.bazel
@@ -51,10 +51,6 @@
     "//src/tint/lang/core/ir",
     "//src/tint/lang/core/type",
     "//src/tint/lang/hlsl/writer/common",
-    "//src/tint/lang/wgsl",
-    "//src/tint/lang/wgsl/ast",
-    "//src/tint/lang/wgsl/program",
-    "//src/tint/lang/wgsl/sem",
     "//src/tint/utils",
     "//src/tint/utils/containers",
     "//src/tint/utils/diagnostic",
diff --git a/src/tint/lang/hlsl/writer/helpers/BUILD.cmake b/src/tint/lang/hlsl/writer/helpers/BUILD.cmake
index 77785f6..3826dd7 100644
--- a/src/tint/lang/hlsl/writer/helpers/BUILD.cmake
+++ b/src/tint/lang/hlsl/writer/helpers/BUILD.cmake
@@ -50,10 +50,6 @@
   tint_lang_core_ir
   tint_lang_core_type
   tint_lang_hlsl_writer_common
-  tint_lang_wgsl
-  tint_lang_wgsl_ast
-  tint_lang_wgsl_program
-  tint_lang_wgsl_sem
   tint_utils
   tint_utils_containers
   tint_utils_diagnostic
diff --git a/src/tint/lang/hlsl/writer/helpers/BUILD.gn b/src/tint/lang/hlsl/writer/helpers/BUILD.gn
index 2a04625..4c98b8f 100644
--- a/src/tint/lang/hlsl/writer/helpers/BUILD.gn
+++ b/src/tint/lang/hlsl/writer/helpers/BUILD.gn
@@ -52,10 +52,6 @@
     "${tint_src_dir}/lang/core/ir",
     "${tint_src_dir}/lang/core/type",
     "${tint_src_dir}/lang/hlsl/writer/common",
-    "${tint_src_dir}/lang/wgsl",
-    "${tint_src_dir}/lang/wgsl/ast",
-    "${tint_src_dir}/lang/wgsl/program",
-    "${tint_src_dir}/lang/wgsl/sem",
     "${tint_src_dir}/utils",
     "${tint_src_dir}/utils/containers",
     "${tint_src_dir}/utils/diagnostic",
diff --git a/src/tint/lang/hlsl/writer/helpers/generate_bindings.cc b/src/tint/lang/hlsl/writer/helpers/generate_bindings.cc
index 8325945..2542d10 100644
--- a/src/tint/lang/hlsl/writer/helpers/generate_bindings.cc
+++ b/src/tint/lang/hlsl/writer/helpers/generate_bindings.cc
@@ -28,9 +28,6 @@
 #include "src/tint/lang/hlsl/writer/helpers/generate_bindings.h"
 
 #include <algorithm>
-#include <unordered_map>
-#include <unordered_set>
-#include <vector>
 
 #include "src/tint/api/common/binding_point.h"
 #include "src/tint/lang/core/ir/module.h"
@@ -38,9 +35,6 @@
 #include "src/tint/lang/core/type/external_texture.h"
 #include "src/tint/lang/core/type/pointer.h"
 #include "src/tint/lang/core/type/storage_texture.h"
-#include "src/tint/lang/wgsl/ast/module.h"
-#include "src/tint/lang/wgsl/program/program.h"
-#include "src/tint/lang/wgsl/sem/variable.h"
 #include "src/tint/utils/containers/hashmap.h"
 #include "src/tint/utils/containers/vector.h"
 #include "src/tint/utils/rtti/switch.h"