Amend ESLint rules (#13559)
Amend ESLint rules (#13559)

* Ignore max-len rule for import statements
* Re-enable max-classes-per-file
DonJayamanne/pythonVSCode,DonJayamanne/pythonVSCode,DonJayamanne/pythonVSCode,DonJayamanne/pythonVSCode,DonJayamanne/pythonVSCode