Fully remove failed experiment

src/d2m/actions/create-room.js

@@ -158,8 +158,6 @@ async function channelToKState(channel, guild, di) {
 			},
 			users: {...spacePower, ...globalAdminPower}
 		},
-		"chat.schildi.hide_ui/read_receipts": {
-		},
 		[`uk.half-shot.bridge/moe.cadence.ooye://discord/${guild.id}/${channel.id}`]: {
 			bridgebot: `@${reg.sender_localpart}:${reg.ooye.server_name}`,
 			protocol: {
@@ -256,7 +254,6 @@ async function postApplyPowerLevels(kstate, callback) {
 	const powerLevelContent = kstate["m.room.power_levels/"]
 	const kstateWithoutPowerLevels = {...kstate}
 	delete kstateWithoutPowerLevels["m.room.power_levels/"]
-	delete kstateWithoutPowerLevels["chat.schildi.hide_ui/read_receipts"]
 
 	/** @type {string} */
 	const roomID = await callback(kstateWithoutPowerLevels)

src/matrix/kstate.js

@@ -87,12 +87,6 @@ function diffKState(actual, target) {
 				diff[key] = temp
 			}
 
-		} else if (key === "chat.schildi.hide_ui/read_receipts") {
-			// Special handling: don't add this key if it's new. Do overwrite if already present.
-			if (key in actual) {
-				diff[key] = target[key]
-			}
-
 		} else if (key in actual) {
 			// diff
 			if (!isDeepStrictEqual(actual[key], target[key])) {

test/data.js

@@ -132,7 +132,6 @@ module.exports = {
 					room: 0
 				}
 			},
-			"chat.schildi.hide_ui/read_receipts": {},
 			"uk.half-shot.bridge/moe.cadence.ooye://discord/112760669178241024/112760669178241024": {
 				bridgebot: "@_ooye_bot:cadence.moe",
 				protocol: {