perf kbuild: remove legacy on_exit-related build variable

Remove HAVE_ON_EXIT_SUPPORT (replaced by CONFIG_ON_EXIT)
perf kbuild: remove legacy backtrace-related build variable

Remove HAVE_BACKTRACE_SUPPORT (replaced by CONFIG_BACKTRACE)
perf kbuild: remove legacy numa-related build variable

Remove HAVE_LIBNUMA_SUPPORT (replaced by CONFIG_LIBNUMA)
perf kbuild: remove legacy bionic-related build variable

Remove NO_BIONIC (replaced by CONFIG_BIONIC)
perf kbuild: remove legacy libelf-related build variables (1st part)

Remove NO_LIBELF (replaced by CONFIG_LIBELF)
perf kbuild: remove legacy libelf-related build variables (2nd part)

Remove HAVE_LIBELF_SUPPORT (replaced by CONFIG_LIBELF)
Remove HAVE_LIBELF_MMAP_SUPPORT (replaced by CONFIG_LIBELF_MMAP)
Remove HAVE_LIBELF_GETPHDRNUM__SUPPORT (replaced by
CONFIG_LIBELF_GETPHDRNUM_)
perf kbuild: remove legacy libdwarf-related build variables

Remove NO_DWARF (replaced by CONFIG_LIBDWARF)
Remove HAVE_DWARF_SUPPORT (replaced by CONFIG_LIBDWARF)