scripts: headers_install.sh: Remove two outdated config leak ignore entries
Remove config leak ignore entries for arch/arc/include/uapi/asm/page.h
as they have been removed in commit d3e5bab923d3 ("arch: simplify
architecture specific page size configuration").
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://patch.msgid.link/20251105-update-headers-install-config-leak-ignore-list-v1-1-40be3eed68cb@kernel.org
Signed-off-by: Nicolas Schier <nsc@kernel.org>