Remove AMF Network Interface sections's interface names: not used

ci-scripts/conf_files/gnb-cu.sa.band78.106prb.conf

ci-scripts/conf_files/gnb-cu.sa.f1.conf

ci-scripts/conf_files/gnb-cucp.sa.f1.conf

ci-scripts/conf_files/gnb-cucp.sa.f1.quectel.conf

ci-scripts/conf_files/gnb-cuup.sa.f1.conf

ci-scripts/conf_files/gnb-cuup.sa.f1.quectel.conf

ci-scripts/conf_files/gnb-vnf.sa.band78.273prb.aerial.conf

...ipts/conf_files/gnb.band66.106prb.rfsim.phytest-dora.conf

...ipts/conf_files/gnb.band78.106prb.rfsim.phytest-dora.conf

...s/conf_files/gnb.band78.106prb.usrpn300.phytest-dora.conf

...s/conf_files/gnb.band78.162prb.usrpn300.phytest-dora.conf

...s/conf_files/gnb.band78.273prb.usrpn300.phytest-dora.conf

ci-scripts/conf_files/gnb.nsa.band78.106prb.usrpb200.conf

...cripts/conf_files/gnb.nsa.band78.106prb.usrpn310.2x2.conf

ci-scripts/conf_files/gnb.sa.band261.u3.32prb.rfsim.conf

ci-scripts/conf_files/gnb.sa.band66.106prb.rfsim.conf

ci-scripts/conf_files/gnb.sa.band66.u0.25prb.rfsim.conf

ci-scripts/conf_files/gnb.sa.band78.106prb.l2sim.conf

ci-scripts/conf_files/gnb.sa.band78.106prb.n310.7ds2u.conf

ci-scripts/conf_files/gnb.sa.band78.106prb.rfsim.2x2.conf