Consolidate some utils folders

Several of the utils/ folders have as many, or more, BUILD files then
actual files. This Cl consolidates some of those into larger folders.

Change-Id: Ie378d5575f421327e4011c496c06875ea1245027
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/216414
Reviewed-by: James Price <jrprice@google.com>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
diff --git a/src/tint/lang/wgsl/sem/BUILD.cmake b/src/tint/lang/wgsl/sem/BUILD.cmake
index 4d8407f..1e0b00f 100644
--- a/src/tint/lang/wgsl/sem/BUILD.cmake
+++ b/src/tint/lang/wgsl/sem/BUILD.cmake
@@ -117,19 +117,17 @@
   tint_lang_wgsl
   tint_lang_wgsl_ast
   tint_lang_wgsl_features
+  tint_utils
   tint_utils_containers
   tint_utils_diagnostic
   tint_utils_ice
-  tint_utils_id
   tint_utils_macros
   tint_utils_math
   tint_utils_memory
-  tint_utils_reflection
   tint_utils_result
   tint_utils_rtti
   tint_utils_symbol
   tint_utils_text
-  tint_utils_traits
 )
 
 tint_target_add_external_dependencies(tint_lang_wgsl_sem lib
@@ -161,19 +159,17 @@
   tint_lang_wgsl_program
   tint_lang_wgsl_resolver
   tint_lang_wgsl_sem
+  tint_utils
   tint_utils_containers
   tint_utils_diagnostic
   tint_utils_ice
-  tint_utils_id
   tint_utils_macros
   tint_utils_math
   tint_utils_memory
-  tint_utils_reflection
   tint_utils_result
   tint_utils_rtti
   tint_utils_symbol
   tint_utils_text
-  tint_utils_traits
 )
 
 tint_target_add_external_dependencies(tint_lang_wgsl_sem_test test