docs: add missing docstring for Client#guildDelete
docs: add missing docstring for Client#guildDelete

hydrabolt/discord.js,Lewdcario/discord.js,SpaceEEC/discord.js,Lewdcario/discord.js,SpaceEEC/discord.js,appellation/discord.js,SpaceEEC/discord.js,appellation/discord.js,Lewdcario/discord.js,hydrabolt/discord.js,appellation/discord.js,hydrabolt/discord.js