Update D263B3F1, Remove AI AA04D779, and Remake B71F5A24

/spr_sprani_sumo_fe_cvt_Exst B71F5A24_512x256 - remake of VIEW LICENSE text of Player Options context menu from multiplayer Game Lobby. The remaining text is unknown if it is used somewhere. Please report if it is used! D263B3F1_512x512 - updated textures at maximum quality of PSD and DDS. 8577714F_256x256 - updated textures at maximum quality of PSD and DDS. 8C9E91F8_512x512 - updated textures at maximum quality of PSD and DDS. /spr_sprani_etc_cvt_Exst AA04D779_512x512 - Replace AI artwork sprite with manual work.