Improve the code quality

[Rohitprasad83]

Is your feature request related to a problem? Please describe.
There is a lot of commented code in different files like cart.html

Describe the solution you'd like
remove the commented code and add only relevant comments to improve the code readability.

[Rohitprasad83]

Can you please assign this issue to me and add hacktoberfest labels?

[Ankit-11525]

okay go for it!
take care of important codes