moving some stuff around, getting ride of odd submodules

tests/tcpdump/tcpd_tests/babel.pcap

tests/tcpdump/tcpd_tests/babel1.out

tests/tcpdump/tcpd_tests/babel1v.out

tests/tcpdump/tcpd_tests/babel_auth.out

tests/tcpdump/tcpd_tests/babel_auth.pcap

tests/tcpdump/tcpd_tests/bgp-infinite-loop.pcap

tests/tcpdump/tcpd_tests/bgp_vpn_attrset.out

tests/tcpdump/tcpd_tests/bgp_vpn_attrset.pcap

tests/tcpdump/tcpd_tests/chdlc-slarp-short.pcap

tests/tcpdump/tcpd_tests/chdlc-slarp.pcap

tests/tcpdump/tcpd_tests/dhcpv6-AFTR-Name-RFC6334.out

tests/tcpdump/tcpd_tests/dhcpv6-AFTR-Name-RFC6334.pcap

tests/tcpdump/tcpd_tests/dhcpv6-ia-na.out

tests/tcpdump/tcpd_tests/dhcpv6-ia-na.pcap

tests/tcpdump/tcpd_tests/dhcpv6-ia-pd.out

tests/tcpdump/tcpd_tests/dhcpv6-ia-pd.pcap

tests/tcpdump/tcpd_tests/dhcpv6-ia-ta.out

tests/tcpdump/tcpd_tests/dhcpv6-ia-ta.pcap

tests/tcpdump/tcpd_tests/dio.out

tests/tcpdump/tcpd_tests/dio.pcap