mcp: Deprecate roots, sampling and logging (SEP-2577) (#1017)

Fixes #1013

examples/server/distributed/main.go

@@ -16,6 +16,8 @@
 // Example:
 //
 //	./distributed -http=localhost:8080 -child_ports=8081,8082
+//
+//lint:file-ignore SA1019 example server exercises deprecated SEP-2577 logging API for demonstration.
 package main
 
 import (

examples/server/everything/main.go

@@ -3,6 +3,8 @@
 // license that can be found in the LICENSE file.
 
 // The everything server implements all supported features of an MCP server.
+//
+//lint:file-ignore SA1019 example server exercises deprecated SEP-2577 APIs (roots, sampling, logging) for demonstration.
 package main
 
 import (