Remove network drive mapping comment for WSL (#15871)

util/qmk_install.sh

@@ -53,8 +53,6 @@ case $(uname -a) in
             echo "*                                                                              *"
             echo "* Please install the QMK Toolbox instead:                                      *"
             echo "*    https://github.com/qmk/qmk_toolbox/releases                               *"
-            echo "* Then, map your WSL filesystem as a network drive:                            *"
-            echo "*    \\\\\\\\wsl$\\<distro>                                                           *"
             echo "********************************************************************************"
             echo
         fi