[monorepo] clean up the per-project pub/sub migration (#35686)

GitOrigin-RevId: 4bbb97d1d2750f21751ef54e206e3e720b88615a

services/real-time/app/js/WebsocketLoadBalancer.js

@@ -26,12 +26,6 @@ const RESTRICTED_USER_MESSAGE_TYPE_PASS_LIST = [
   'toggle-track-changes',
   'projectRenamedOrDeletedByExternalSource',
 ]
-const BANDWIDTH_BUCKETS = [0]
-// 64 bytes ... 8MB
-for (let i = 5; i <= 22; i++) {
-  BANDWIDTH_BUCKETS.push(2 << i)
-}
-
 let WebsocketLoadBalancer
 
 export default WebsocketLoadBalancer = {
@@ -147,31 +141,6 @@ export default WebsocketLoadBalancer = {
         for (const client of clientList) {
           ConnectedUsersManager.refreshClient(message.room_id, client.publicId)
         }
-      } else if (message.message === 'canary-applied-op') {
-        const { ack, broadcast, source, projectId, docId } = message.payload
-
-        const estimateBandwidth = (room, path) => {
-          const seen = new Set()
-          for (const client of io.sockets.clients(room)) {
-            if (seen.has(client.id)) continue
-            seen.add(client.id)
-            let v = client.id === source ? ack : broadcast
-            if (v === 0) {
-              // Acknowledgements with update.dup===true will not get sent to other clients.
-              continue
-            }
-            v += `5:::{"name":"otUpdateApplied","args":[]}`.length
-            Metrics.histogram(
-              'estimated-applied-ops-bandwidth',
-              v,
-              BANDWIDTH_BUCKETS,
-              { path }
-            )
-          }
-        }
-
-        estimateBandwidth(projectId, 'per-project')
-        estimateBandwidth(docId, 'per-doc')
       } else if (
         message.message === 'otUpdateApplied' ||
         message.message === 'otUpdateError'