Fix x86 warning on latest VS dogfood (#50607)

* Fix x86 warning on latest VS dogfood

* Delete unnecessary warning disable

Author: jkotas

eng/native/configurecompiler.cmake

@@ -498,6 +498,7 @@ if (MSVC)
   add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:/wd4456>) # declaration of 'identifier' hides previous local declaration
   add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:/wd4457>) # declaration of 'identifier' hides function parameter
   add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:/wd4458>) # declaration of 'identifier' hides class member
+  add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:/wd4733>) # Inline asm assigning to 'FS:0' : handler not registered as safe handler
   add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:/wd4838>) # conversion from 'type_1' to 'type_2' requires a narrowing conversion
   add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:/wd4960>) # 'function' is too big to be profiled
   add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:/wd4961>) # No profile data was merged into '.pgd file', profile-guided optimizations disabled

src/coreclr/vm/i386/excepcpu.h

@@ -23,11 +23,6 @@
 #ifndef FEATURE_EH_FUNCLETS
 class Thread;
 
-#if defined(_MSC_VER)
-#pragma warning(disable:4733) // Inline asm assigning to `FS:0` : handler not registered as safe handler
-                              // Actually, the handler getting set is properly registered
-#endif
-
 #define INSTALL_SEH_RECORD(record)                                        \
     {                                                                     \
        (record)->Next = (PEXCEPTION_REGISTRATION_RECORD)__readfsdword(0); \