When I connect to new password-protected network, eduroam network pops up and I can’t delete it

My usual use case is to connect to new wifi network via Control Center (screen 1). While I'm doing it, new window pops up, where I should write password. But somehow in the window noticed that Im going to connect to "eduroam" network instead of chosen one (screen 2). It always occurs, no matter am I in range of "eduroam" network or not.

Also while I cancel that connection, "eduroam" network is shown in my network list, but when I open it`s settings, there is no such option to forget it.

Please, help me. This little thing stressed me out for more than two years.