Remove an obsolete TODO in Tsetse's test utils.

It's been implemented in the past.

PiperOrigin-RevId: 291147258

internal/tsetse/util/testing/test_support.ts

diff --git a/internal/tsetse/util/testing/test_support.ts b/internal/tsetse/util/testing/test_support.ts
index bfbc78b..ece3695 100644
--- a/internal/tsetse/util/testing/test_support.ts
+++ b/internal/tsetse/util/testing/test_support.ts
@@ -183,7 +183,6 @@
             `${i}th individualChange's fileName`, e.fileName,
             a.sourceFile.fileName);
       }
-      // TODO: Consider adding matchedCode as for the failure matcher.
     }
   }