Remove iexplore, because it is EOL (#5810)

EOL since 2022-06-15.

https://learn.microsoft.com/de-de/lifecycle/products/internet-explorer-11

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Minor: Treat all browsers starting with `firefox` as a Firefox browser. (#5805)
 - Minor: Remove incognito browser support for `opera/launcher` (this should no longer be a thing). (#5805)
+- Minor: Remove incognito browser support for `iexplore`, because internet explorer is EOL. (#5810)
 - Bugfix: Fixed a crash relating to Lua HTTP. (#5800)
 - Dev: Updated Conan dependencies. (#5776)
 

src/util/IncognitoBrowser.cpp

@@ -71,7 +71,6 @@ QString getPrivateSwitch(const QString &browserExecutable)
         {"google-chrome-stable", "-incognito"},
         {"vivaldi", "-incognito"},
         {"opera", "-newprivatetab"},
-        {"iexplore", "-private"},
         {"msedge", "-inprivate"},
         {"chromium", "-incognito"},
         {"brave", "-incognito"},