InstallFEX.py: Adds support for Kinetic

Also removes Hirsute and Impish since Ubuntu's PPA system doesn't
support these anymore.

Fixes #2140

Scripts/InstallFEX.py

@@ -82,9 +82,8 @@ def IsSupportedDistro():
     if Distro[0] == "ubuntu":
         # We only support what is available in ppa:fex-emu/fex
         return Distro[1] == "20.04" or \
-            Distro[1] == "21.04" or \
-            Distro[1] == "21.10" or \
-            Distro[1] == "22.04"
+            Distro[1] == "22.04" or \
+            Distro[1] == "22.10"
 
     return False