Fix trailing sentences, grammar, untypable characters, and remove poor quality articles.
Fix trailing sentences, grammar, untypable characters, and remove poor quality articles.

shikhir-arora/NadekoBot,Blacnova/NadekoBot,Taknok/NadekoBot,Midnight-Myth/Mitternacht-NEW,Youngsie1997/NadekoBot,PravEF/EFNadekoBot,WoodenGlaze/NadekoBot,powered-by-moe/MikuBot,ShadowNoire/NadekoBot,gfrewqpoiu/NadekoBot,Midnight-Myth/Mitternacht-NEW,miraai/NadekoBot,ScarletKuro/NadekoBot,Nielk1/NadekoBot,halitalf/NadekoMods,Midnight-Myth/Mitternacht-NEW,Midnight-Myth/Mitternacht-NEW