fix: Do not emit pkg config metadata in pkg-config

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "protols"
 description = "Language server for proto3 files"
-version = "0.11.0"
+version = "0.11.1"
 edition = "2024"
 license = "MIT"
 homepage = "https://github.com/coder3101/protols"

protols.toml

@@ -1,5 +1,2 @@
 [config]
 include_paths = ["src/workspace/input"]
-
-[config.experimental]
-use_protoc_diagnostics = true

src/config/workspace.rs

@@ -22,8 +22,12 @@ pub struct WorkspaceProtoConfigs {
 impl WorkspaceProtoConfigs {
     pub fn new() -> Self {
         // Try to find protobuf library and get its include paths
+        // Do not emit metadata on stdout as LSP programs can consider
+        // it part of spec
         let protoc_include_prefix = Config::new()
             .atleast_version("3.0.0")
+            .env_metadata(false)
+            .cargo_metadata(false)
             .probe("protobuf")
             .map(|lib| lib.include_paths)
             .unwrap_or_default();