Removed redundant redirects between client and server

[Mubashirshariq]

Fixes #2992

Changes: Server Side: Made changes on the server: Redirected "/sketches" and "/assets" to URLs with the username. Also, redirected "/reset-password" and "/reset-password/:reset_password_token" to "/account" if the user is logged in. client : Made changes on the client: Removed all Higher-Order Component (HOC) auth checks from routes.jsx, deleted createRedirectWithUsername component, and removed auth.js file.

I have verified that this pull request:

• [ ] has no linting errors (npm run lint)
• [ ] has no test errors (npm run test)
• [ ] is from a uniquely-named feature branch and is up to date with the develop branch.
• [ ] is descriptively named and links to an issue number, i.e. Fixes #123

[Mubashirshariq]

@lindapaiste plz review this PR ,i have made the proposed changes.