Add ability to hide/delete derivation paths

[laboon]

Since one cannot check derivation path addresses until after they are entered, there is the possibility of incorrect derivation paths to be input. Users should have the ability to remove or at least hide these incorrectly-entered derivation paths.

[krodak]

It should be possible to do so via path shown in recorded gif.
Simply navigate to derivation path details, tap on "..." more button and select delete and confirm action