selftests/bpf: Remove bpf_tcp_helpers.h usages from other misc bpf tcp-cc tests

This patch removed the final few bpf_tcp_helpers.h usages
in some misc bpf tcp-cc tests and replace it with
bpf_tracing_net.h (i.e. vmlinux.h)

Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20240509175026.3423614-9-martin.lau@linux.dev


Signed-off-by: Alexei Starovoitov <ast@kernel.org>