compiler-gcc: remove attribute support check for `__no_sanitize_undefined__`

The attribute was added in GCC 4.9, while the minimum GCC version
supported by the kernel is GCC 5.1.

Therefore, remove the check.

Link: https://godbolt.org/z/GrMeo6fYr
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Miguel Ojeda <[email protected]>
Reviewed-by: Nathan Chancellor <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Andrey Konovalov <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Dan Li <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Kumar Kartikeya Dwivedi <[email protected]>
Cc: Marco Elver <[email protected]>
Cc: Nick Desaulniers <[email protected]>
Cc: Uros Bizjak <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions