HEP Additions Form - Clean form handler

* clean based on pylint
* removed unnecessary files
 HEP Additions Form - Clean HandleInstitutions.py

* cleaned HandleInstitutions based on pylint
* removed unnecessary images
HEP Additions Form - Clean hgfImport.py
HEP Additions Form - Cleaned Create_hgf_record.json based on pylint

* Cleaned Create_hgf_record_json.py, Print_Success.py based on pylint
* Removed unnecessary files for Inspire
HEP Additions Form - more cleanup on Create_hgf_record_json.py
* more cleanup on Create_hgf_record_json.py
* removed unnecessary files (missed in last commit)
HEP Additions Form - Cleanup process_confobj.py

* Cleanup process_confobj.py, JSGetAllChildren.py based on pylint