Remove protobuf stdlib module (#1976)

stdlib/base.pkl

@@ -26,7 +26,6 @@ import "pkl:math"
 import "pkl:net"
 import "pkl:pklbinary"
 // noinspection Deprecated
-import "pkl:protobuf"
 import "pkl:xml"
 import "pkl:yaml"
 
@@ -116,8 +115,6 @@ abstract external class Module {
           new PListRenderer {}
         else if (format == "properties")
           new PropertiesRenderer {}
-        else if (format == "textproto")
-          new protobuf.Renderer {}
         else if (format == "xml")
           new xml.Renderer {}
         else if (format == "yaml")
@@ -126,7 +123,7 @@ abstract external class Module {
           new pklbinary.Renderer {}
         else
           throw(
-            "Unknown output format: `\(format)`. Supported formats are `json`, `jsonnet`, `pcf`, `plist`, `properties`, `textproto`, `xml`, `yaml`, `pkl-binary`."
+            "Unknown output format: `\(format)`. Supported formats are `json`, `jsonnet`, `pcf`, `plist`, `properties`, `xml`, `yaml`, `pkl-binary`."
           )
     text =
       if (renderer is ValueRenderer)

stdlib/protobuf.pkl

@@ -1,66 +0,0 @@
-//===----------------------------------------------------------------------===//
-// Copyright © 2024-2026 Apple Inc. and the Pkl project authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//===----------------------------------------------------------------------===//
-
-/// A renderer for [Protocol Buffers](https://developers.google.com/protocol-buffers).
-///
-/// WARNING:
-/// This module is deprecated, and scheduled for removal without replacement.
-/// For rendering into a protobuf wire format, consider rendering to
-/// [ProtoJSON](https://protobuf.dev/programming-guides/json/) using [json.Renderer].
-@ModuleInfo { minPklVersion = "0.34.0" }
-@Deprecated { since = "0.33.0"; message = "Scheduled for removal without replacement" }
-module pkl.protobuf
-
-import "pkl:json"
-import "pkl:reflect"
-
-/// A renderer for [Protocol Buffers](https://developers.google.com/protocol-buffers).
-/// Note: This class is _experimental_ and not ready for production use.
-///
-/// As of this release, only Protocol Buffers' text format is supported.
-///
-/// The [Property] annotation can be used to change how a property name renders into Protobuf.
-///
-/// Example:
-/// ```
-/// import "pkl:protobuf"
-///
-/// @protobuf.Property { name = "wing_span" }
-/// wingSpan: Int
-/// ```
-class Renderer extends ValueRenderer {
-  /// The characters to use for indenting output.
-  ///
-  /// Defaults to two spaces.
-  indent: String = "  "
-
-  external function renderDocument(value: Any): String
-
-  external function renderValue(value: Any): String
-
-  /// Returns the canonical name for [type].
-  external function renderType(type: reflect.Type): String
-}
-
-/// Annotate properties of classes and modules with this class to override how a [Renderer]
-/// interprets a property's name.
-@Since { version = "0.31.0" }
-class Property extends ConvertProperty {
-  /// The new name to use for the annotated property when rendered by [Renderer].
-  name: String
-
-  render = (prop, renderer) -> if (renderer is Renderer) Pair(name, prop.value) else prop
-}