[pkg/analysis_server_client] add 'publish_to: none' to the pubspec

Change-Id: Ia15e2f27d1ceca4497a50c37ee24e61d4a167019
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/268369
Commit-Queue: Devon Carew <devoncarew@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>

pkg/analysis_server_client/README.md

@@ -1,6 +1,3 @@
-[![pub package](https://img.shields.io/pub/v/analysis_server_client.svg)](https://pub.dev/packages/analysis_server_client)
-[![package publisher](https://img.shields.io/pub/publisher/analysis_server_client.svg)](https://pub.dev/packages/analysis_server_client/publisher)
-
 `package:analysis_server_client` is a client wrapper over the Analysis Server.
 
 ## Update: this package has been discontinued

pkg/analysis_server_client/pubspec.yaml

@@ -1,22 +1,23 @@
 name: analysis_server_client
-version: 2.0.1
 description:
   A client wrapper over analysis_server. Instances of the class Server manage a
   connection to a server process, and facilitate communication to and from the
   server.
 repository: https://github.com/dart-lang/sdk/tree/main/pkg/analysis_server_client
 
+# This package is not intended for consumption on pub.dev. DO NOT publish.
+# Note: this package was previously published (last published as `2.0.1`).
+publish_to: none
+
 environment:
   sdk: '>=2.12.0 <3.0.0'
 
+# Use 'any' constraints here; we get our versions from the DEPS file.
 dependencies:
-  path: ^1.8.0
-  pub_semver: ^2.0.0
+  path: any
+  pub_semver: any
 
-# We use 'any' version constraints here as we get our package versions from
-# the dart-lang/sdk repo's DEPS file. Note that this is a special case; the
-# best practice for packages is to specify their compatible version ranges.
-# See also https://dart.dev/tools/pub/dependencies.
+# Use 'any' constraints here; we get our versions from the DEPS file.
 dev_dependencies:
   analyzer: any
   lints: any