Refactoring of code, removed UnUsed/Dead code for performance issues:

1)- Removed unused tables & sequesnes from Database,
2)- Removed one method from ProfilePhotoOperationController,
3)- Removed LoginDemo DTO class used to implement XML example,
4)- Removed UnlikeStatusCredential DTO class,
5)- Removed Login Model class which is not required now,
6)- Removed ProfilePhotoOperation.jsp.

Signed-off-by: manojsa <sawantmanojm@gmail.com>