remove useless virtual field

Author: SylvainJuge

instrumentation/vertx/vertx-sql-client/vertx-sql-client-5.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/vertx/v5_0/sql/PoolInstrumentation.java

@@ -19,7 +19,6 @@
 import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
 import static net.bytebuddy.matcher.ElementMatchers.takesNoArguments;
 
-import io.opentelemetry.instrumentation.api.util.VirtualField;
 import io.opentelemetry.javaagent.bootstrap.CallDepth;
 import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
 import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
@@ -61,6 +60,7 @@ public void transform(TypeTransformer transformer) {
 
   @SuppressWarnings("unused")
   public static class PoolAdvice {
+
     @Advice.OnMethodEnter(suppress = Throwable.class)
     public static CallDepth onEnter(@Advice.Argument(1) SqlConnectOptions sqlConnectOptions) {
       CallDepth callDepth = CallDepth.forClass(Pool.class);
@@ -82,10 +82,6 @@ public static void onExit(
         return;
       }
 
-      VirtualField<Pool, SqlConnectOptions> virtualField =
-          VirtualField.find(Pool.class, SqlConnectOptions.class);
-      virtualField.set(pool, sqlConnectOptions);
-
       setPoolConnectOptions(pool, sqlConnectOptions);
       setSqlConnectOptions(null);
     }