Absolutely this. It is a case of personal preference. Removing or having creature comforts like easy refactoring, being able to do code aware search like go to

Absolutely this. It is a case of personal preference. Removing or having creature comforts like easy refactoring, being able to do code aware search like go to definition, etc won't make you a better or worse programmer. It might make things more frustrating to get around. It might make you slower. Or for some people it might remove distractions instead. Try both using more of a 'just a text editor', and full fat IDEs - and use what you prefer.