Drop stale reference to removed fixture script

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Author: apscot

laya-core/src/test/java/io/github/apscot/laya/core/ParityTest.java

@@ -11,7 +11,7 @@
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 
-/** Compares the Java port with golden outputs produced by the Python reference (tools/gen_fixtures.py). */
+/** Compares the Java port with golden outputs produced by the Python reference. */
 class ParityTest {
     @ParameterizedTest
     @ValueSource(strings = {"", "multilingual", "typed"})