ubsan: remove cc-option test for UBSAN_TRAP

-fsanitize-undefined-trap-on-error has been supported since GCC 5.1 and
Clang 3.2. The minimum supported version of these according to
Documentation/process/changes.rst is 5.1 and 11.0.0 respectively. Drop
this cc-option check.

Signed-off-by: Nick Desaulniers <[e-mail]>
Reviewed-by: Nathan Chancellor <[e-mail]>
Signed-off-by: Kees Cook <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

lib/Kconfig.ubsan

···
 config UBSAN_TRAP
 	bool "On Sanitizer warnings, abort the running kernel code"
 	depends on !COMPILE_TEST
-	depends on $(cc-option, -fsanitize-undefined-trap-on-error)
 	help
 	  Building kernels with Sanitizer features enabled tends to grow
 	  the kernel size by around 5%, due to adding all the debugging