Change names for different systems + Add new systems + Remove double titles

content/2.defense-systems/radar.md

content/2.defense-systems/retron.md

content/2.defense-systems/rexab.md

content/2.defense-systems/rloc.md

content/2.defense-systems/rm.md

content/2.defense-systems/rnlab.md

content/2.defense-systems/rosmerta.md

content/2.defense-systems/rst_2tm_1tm_tir.md

content/2.defense-systems/rst_3hp.md

content/2.defense-systems/rst_duf4238.md

content/2.defense-systems/rst_gop_beta_cll.md

content/2.defense-systems/rst_helicaseduf2290.md

content/2.defense-systems/rst_hydrolase-3tm.md

content/2.defense-systems/rst_rt-nitrilase-tm.md

content/2.defense-systems/rst_tir-nlr.md

content/2.defense-systems/sanata.md

content/2.defense-systems/sefir.md

content/2.defense-systems/septu.md

content/2.defense-systems/shango.md

content/2.defense-systems/shedu.md