Reduce distro choices

build: Dropped support for unnumbered Ubuntu and Ubuntu 20.04.

Ubuntu 20.04 was dropped as it will stop support next year and the unnumbered Ubuntu distribution was dropped as it is likely to update before OpenVnmrJ supports it.

Author: JessiBaughman

Install_OpenVnmrJ_WSL.ps1

@@ -12,14 +12,14 @@
 #                                                                            #
 ##############################################################################
 
-# Last update: September 16, 2024
+# Last update: September 18, 2024
 
 #########################
 ###   Configuration   ###
 #########################
 
 $defaultWSL = "Ubuntu-24.04" # which WSL distro to use/install by default
-$supportedWSL="Ubuntu","Ubuntu-20.04","Ubuntu-22.04","Ubuntu-24.04","AlmaLinux-9","AlmaLinux-8"
+$supportedWSL="Ubuntu-24.04","Ubuntu-22.04","AlmaLinux-9","AlmaLinux-8"
 $defaultWSLlink = "https://aka.ms/wslubuntu" # link to default distro (See: https://docs.microsoft.com/en-us/windows/wsl/install-manual)
 $minDist = 20 # minimum int version of Ubuntu supported
 $minAlma = 8 # minimum int version of Alma Linux supported