As per my understanding through many previous communications, train or bus station etc, are not accessible to Local Guides for any edits. These features are picked from the official sources managing public transport. You need taking up with the appropriate authority to update the actual situation. Once done, that will automatically reflect on Maps.
It appears that the bus stops in your list are an outcome of a community edit, and not from the authorized source. As a result, these are open for manipulations.
As against that, the Metro stations are authentic & none of these is marked as permanently closed.
The company has published a route map & list of bus stops also. A screenshot of that is as below.
I suggest you take up with the official authority to communicate the bus route & stop info.
When a bus stop is official, the website info of the authority appears one each of them. As a result of that, though “suggest an edit” option appears there, any attempt to do so will not be successful.