Remove unneeded @SuppressWarnings.

PiperOrigin-RevId: 300603571
diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/serialization/testutils/SerializationTester.java b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/testutils/SerializationTester.java
index 6ed4227..be788ea 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/serialization/testutils/SerializationTester.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/testutils/SerializationTester.java
@@ -112,7 +112,6 @@
     return this;
   }
 
-  @SuppressWarnings("rawtypes")
   public <T> SerializationTester setVerificationFunction(
       VerificationFunction<T> verificationFunction) {
     this.verificationFunction = verificationFunction;