Revise fix (from a759deb) for running Windows .exe files from a WSL/U…

…buntu command prompt when mono-runtime is installed and systemd is enabled.

The last "fix" ("update-binfmts --disable cli") would only fix the problem temporarily; the problem returned when WSL was restarted. (With this commit the problem doesn't come back after WSL is restarted.)

install

@@ -61,5 +61,5 @@ echo About to install python3-dev and mono-complete.
 sudo apt install --assume-yes python3-dev mono-complete  # Install packages needed by YouCompleteMe Vim plugin.  xxx It'd be nice to only ask for a password (run sudo) if a required packages isn't installed - See https://stackoverflow.com/a/10439058. xxx Move this to vimrc to be near the code that installs YouCompleteMe.
 
 if [[ $(uname -r | grep WSL) ]]; then
-    sudo update-binfmts --disable cli  # Without this (and with mono-runtime - part of mono-complete - installed and with systemd enabled) trying to run a Windows exe from WSL/Ubuntu doesn't work, e.g. "run-detectors: unable to find an interpreter for /mnt/c/Windows/system32/cmd.exe" is output when trying to run cmd.exe (Ubuntu 22.04.3, mono-runtime 6.8.0.105+dfsg-3.2).
+    sudo update-binfmts --package 'mono-runtime' --remove cli /usr/bin/mono  # Without this (and with mono-runtime - part of mono-complete - installed and with systemd enabled) trying to run a Windows exe from WSL/Ubuntu doesn't work, e.g. "run-detectors: unable to find an interpreter for /mnt/c/Windows/system32/cmd.exe" is output when trying to run cmd.exe (Ubuntu 22.04.3, mono-runtime 6.8.0.105+dfsg-3.2).
 fi