[libclc] Use generic subnormal_config for spirv-vulkan (#217240)

Since clspv properly handles denorm with
https://github.com/google/clspv/pull/1616
we should rely on the generic implementation of subnormal_config.

GitOrigin-RevId: d4c19355521fe0d7af54dd80c766fa00d1c6a278

clc/lib/spirv/CMakeLists.txt

diff --git a/clc/lib/spirv/CMakeLists.txt b/clc/lib/spirv/CMakeLists.txt
index 11d3918..1a6340f 100644
--- a/clc/lib/spirv/CMakeLists.txt
+++ b/clc/lib/spirv/CMakeLists.txt
@@ -8,5 +8,8 @@
   math/clc_fmin.cl
   math/clc_runtime_has_hw_fma32.cl
   math/clc_sw_fma.cl
-  subnormal_config.cl
 )
+
+if(NOT LIBCLC_TARGET_OS STREQUAL "vulkan")
+  libclc_add_sources(${LIBCLC_CLC_TARGET} FILES subnormal_config.cl)
+endif()