[G6] Hide vertical tab separators.

[prplwtf]

Is your feature request related to a problem? Please describe. The separation lines between tabs look a bit off.

Describe the solution you'd like Removal of tab separators, or at least the option to do so.

Describe alternatives you've considered Add a dimmed version of the active tab's background to inactive tabs to keep the original purpose of the separators, but still have it look nice.

Additional context These separators are distracting.

[fossfreak]

Set userChrome.tab.static_separator to false in about:config