text+voice code is already there

util/src/entities/Channel.ts

@@ -357,7 +357,6 @@ export class Channel extends BaseClass {
 	isWritable() {
 		const disallowedChannelTypes = [
 			ChannelType.GUILD_CATEGORY,
-			ChannelType.GUILD_VOICE,		// TODO: Remove this when clients can send messages to voice channels on discord.com
 			ChannelType.GUILD_STAGE_VOICE,
 			ChannelType.VOICELESS_WHITEBOARD,
 		];