(eslint): update config to handle ES modules and Odoo JSDoc tags

- Remove deprecated .eslintrc.yml file following Odoo v18 module
    template(odoo_module) recommendations.

- Make ESLINT happy by fixing:

    9:64  warning  Unexpected comment inline with code                          no-inline-comments
    50:17  error    Variable 'placeholder' should be initialized on declaration  init-declarations
    57:21  warning  Unexpected lexical declaration in case block                 no-case-declarations
    69:13  warning  Comments should not begin with a lowercase character         capitalized-comments
    70:45  error    'InputEvent' is not defined                                  no-undef
    71:45  error    'KeyboardEvent' is not defined                               no-undef