proto: Remove GetPrivateUserInfo message (#36265)

This PR removes the `GetPrivateUserInfo` RPC message.

We're no longer using the message after
https://github.com/zed-industries/zed/pull/36255.

Release Notes:

- N/A

crates/client/src/test.rs

@@ -1,16 +1,12 @@
 use crate::{Client, Connection, Credentials, EstablishConnectionError, UserStore};
 use anyhow::{Context as _, Result, anyhow};
-use chrono::Duration;
 use cloud_api_client::{AuthenticatedUser, GetAuthenticatedUserResponse, PlanInfo};
 use cloud_llm_client::{CurrentUsage, Plan, UsageData, UsageLimit};
 use futures::{StreamExt, stream::BoxStream};
 use gpui::{AppContext as _, BackgroundExecutor, Entity, TestAppContext};
 use http_client::{AsyncBody, Method, Request, http};
 use parking_lot::Mutex;
-use rpc::{
-    ConnectionId, Peer, Receipt, TypedEnvelope,
-    proto::{self, GetPrivateUserInfo, GetPrivateUserInfoResponse},
-};
+use rpc::{ConnectionId, Peer, Receipt, TypedEnvelope, proto};
 use std::sync::Arc;
 
 pub struct FakeServer {
@@ -187,50 +183,27 @@ impl FakeServer {
     pub async fn receive<M: proto::EnvelopedMessage>(&self) -> Result<TypedEnvelope<M>> {
         self.executor.start_waiting();
 
-        loop {
-            let message = self
-                .state
-                .lock()
-                .incoming
-                .as_mut()
-                .expect("not connected")
-                .next()
-                .await
-                .context("other half hung up")?;
-            self.executor.finish_waiting();
-            let type_name = message.payload_type_name();
-            let message = message.into_any();
+        let message = self
+            .state
+            .lock()
+            .incoming
+            .as_mut()
+            .expect("not connected")
+            .next()
+            .await
+            .context("other half hung up")?;
+        self.executor.finish_waiting();
+        let type_name = message.payload_type_name();
+        let message = message.into_any();
 
-            if message.is::<TypedEnvelope<M>>() {
-                return Ok(*message.downcast().unwrap());
-            }
-
-            let accepted_tos_at = chrono::Utc::now()
-                .checked_sub_signed(Duration::hours(5))
-                .expect("failed to build accepted_tos_at")
-                .timestamp() as u64;
-
-            if message.is::<TypedEnvelope<GetPrivateUserInfo>>() {
-                self.respond(
-                    message
-                        .downcast::<TypedEnvelope<GetPrivateUserInfo>>()
-                        .unwrap()
-                        .receipt(),
-                    GetPrivateUserInfoResponse {
-                        metrics_id: "the-metrics-id".into(),
-                        staff: false,
-                        flags: Default::default(),
-                        accepted_tos_at: Some(accepted_tos_at),
-                    },
-                );
-                continue;
-            }
-
-            panic!(
-                "fake server received unexpected message type: {:?}",
-                type_name
-            );
+        if message.is::<TypedEnvelope<M>>() {
+            return Ok(*message.downcast().unwrap());
         }
+
+        panic!(
+            "fake server received unexpected message type: {:?}",
+            type_name
+        );
     }
 
     pub fn respond<T: proto::RequestMessage>(&self, receipt: Receipt<T>, response: T::Response) {