[4.2] No More Rename Colony

reverts a planet name that was changed random by AI colonization. generate original planet names by brute force according to the order of the planets and overwrite. it will make managing large number of planet easier by matching planet name and system name. however, if it is AI ​​empires's capital system or homeworld, planet name will not be changed. in Additionally, removed Latin ordinals such as Prime, Secundus, Tertius, etc when colonizing planets by player and leaved the original roman numeral. just like "No Prime" used to be so in the old days. for e.g, IX, IIb, CIII, etc. Unique planets are supported, but ringworlds are not yet. 日本語環境でプレイしている方へ 英語以外の環境だと、Stellaris本体のバグで、一部のマルチバイト文字が含まれる星系では正常に動作しない可能性があります。