8251560: Remove excessive header file inclusion from systemDictionary.hpp and others

Reviewed-by: coleenp

src/hotspot/share/classfile/javaClasses.hpp

@@ -28,6 +28,7 @@
 #include "classfile/systemDictionary.hpp"
 #include "jvmtifiles/jvmti.h"
 #include "oops/oop.hpp"
+#include "oops/instanceKlass.hpp"
 #include "runtime/os.hpp"
 
 class RecordComponent;