Eliminate the insertion handler for JavaPsiClassReferenceElement because it might be confusing to the users not to be able to set the variable name themselves.
In addition to that the patch also reverts the test data that was changed earlier because it was a perfectly fine piece of code and should not have been modified in the first place
GitOrigin-RevId: 7046e638ed8f4c1cae72aca600fdfd06eaa3a502
