Refactor remove the features option

[alexander-akait]

• This is a bugfix
• This is a feature
• This is a code refactor
• This is a test update
• This is a docs update
• This is a metadata update

For Bugs and Features; did you add new tests?

No need

Motivation / Use-Case

We don't need it, each feature can be enabled/disabled using own options, for example bonjour can be disabled using { bonjour: false } + we have onBeforeSetupMiddleware and onAfterSetupMiddleware options

Also this option is undocumented

Breaking Changes

Yes

Additional Info

No

[codecov]

Codecov Report

Merging #2604 into v4 will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##               v4    #2604   +/-   ##
=======================================
  Coverage   92.36%   92.36%           
=======================================
  Files          35       35           
  Lines        1323     1323           
  Branches      376      375    -1     
=======================================
  Hits         1222     1222           
  Misses         96       96           
  Partials        5        5           

Impacted Files	Coverage Δ
lib/Server.js	96.51% <100.00%> (ø)

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