LibJS: Remove two unused includes from AbstractOperations.cpp

Userland/Libraries/LibJS/Runtime/AbstractOperations.cpp

@@ -21,7 +21,6 @@
 #include <LibJS/Runtime/ErrorTypes.h>
 #include <LibJS/Runtime/FunctionEnvironment.h>
 #include <LibJS/Runtime/FunctionObject.h>
-#include <LibJS/Runtime/GlobalEnvironment.h>
 #include <LibJS/Runtime/GlobalObject.h>
 #include <LibJS/Runtime/Object.h>
 #include <LibJS/Runtime/ObjectEnvironment.h>
@@ -29,7 +28,6 @@
 #include <LibJS/Runtime/PropertyName.h>
 #include <LibJS/Runtime/ProxyObject.h>
 #include <LibJS/Runtime/Reference.h>
-#include <LibJS/Runtime/Utf16String.h>
 
 namespace JS {