Remove BC compat while switching to v0.3.0

Author: chr-hertel

src/Schema/JsonRpc/Error.php

@@ -91,12 +91,9 @@ public static function forMethodNotFound(string $message, string|int $id = ''):
         return new self($id, self::METHOD_NOT_FOUND, $message);
     }
 
-    public static function forInvalidParams(string $message, string|int $id = '' /* mixed $data = null */): self
+    public static function forInvalidParams(string $message, string|int $id = '', mixed $data = null): self
     {
-        // $data parameter was added in 0.2.2 and will be default in 0.3.0
-        $data = \func_get_args()[2] ?? null;
-
-        return new self($id, self::INVALID_PARAMS, $message, data: $data);
+        return new self($id, self::INVALID_PARAMS, $message, $data);
     }
 
     public static function forInternalError(string $message, string|int $id = ''): self

src/Server/Handler/Request/CallToolHandler.php

@@ -40,10 +40,9 @@ public function __construct(
         private readonly RegistryInterface $registry,
         private readonly ReferenceHandlerInterface $referenceHandler,
         private readonly LoggerInterface $logger = new NullLogger(),
-        /* ?SchemaValidator $schemaValidator = null */
+        ?SchemaValidator $schemaValidator = null,
     ) {
-        // $schemaValidator parameter was added in 0.2.2 and will be default in 0.3.0
-        $this->schemaValidator = \func_get_args()[3] ?? new SchemaValidator($logger);
+        $this->schemaValidator = $schemaValidator ?? new SchemaValidator($logger);
     }
 
     public function supports(Request $request): bool