Fix org.json iast instrumentation test for latest dependency

Author: jandro996

dd-java-agent/instrumentation/org-json/src/main/java/datadog/trace/instrumentation/json/JSONArrayInstrumentation.java

@@ -35,13 +35,6 @@ public void methodAdvice(MethodTransformer transformer) {
     transformer.applyAdvice(
         isConstructor().and(takesArguments(String.class)),
         getClass().getName() + "$ConstructorAdvice");
-    transformer.applyAdvice(
-        isMethod()
-            .and(isPublic())
-            .and(returns(Object.class))
-            .and(named("get"))
-            .and(takesArguments(1)),
-        getClass().getName() + "$GetAdvice");
     transformer.applyAdvice(
         isMethod().and(isPublic()).and(returns(Object.class)).and(named("opt")),
         getClass().getName() + "$OptAdvice");