nix unzip warn on linux

_webi/bootstrap.sh

@@ -52,13 +52,6 @@ if [ -n "\$(command -v unxz)" ]; then
 fi
 if [ -n "\$(command -v unzip)" ]; then
     my_ext="zip,\$my_ext"
-else
-    if [ -n "\$(command -v apt-get)" ]; then
-        >&2 echo "WARN: please install 'unzip':"
-        >&2 echo "        sudo apt-get install -y unzip"
-    else
-        >&2 echo "WARN: 'unzip' not found"
-    fi
 fi
 if [ -n "\$(command -v tar)" ]; then
     my_ext="tar,\$my_ext"