Remove unused UI elements without breaking Firefox

nord-stream 5bfd489cb6 PanelUI and Add-ons Manager: More hidable elements %!s(int64=8) %!d(string=hai) anos
branding 37c111cee6 Initial commit %!s(int64=8) %!d(string=hai) anos
src 5bfd489cb6 PanelUI and Add-ons Manager: More hidable elements %!s(int64=8) %!d(string=hai) anos
tools 37c111cee6 Initial commit %!s(int64=8) %!d(string=hai) anos
.gitignore 37c111cee6 Initial commit %!s(int64=8) %!d(string=hai) anos
.gitmodules 37c111cee6 Initial commit %!s(int64=8) %!d(string=hai) anos
COPYING 37c111cee6 Initial commit %!s(int64=8) %!d(string=hai) anos
Makefile 37c111cee6 Initial commit %!s(int64=8) %!d(string=hai) anos
changelog 4a554e3af8 NEW: Option to hide the Quit button in the panel %!s(int64=8) %!d(string=hai) anos
preferences.json 5bfd489cb6 PanelUI and Add-ons Manager: More hidable elements %!s(int64=8) %!d(string=hai) anos
version_info f171dcdd9c Updated version %!s(int64=8) %!d(string=hai) anos