Simplify, don't talk about mail, etc.

README.md

@@ -13,17 +13,9 @@ Apache, use the `-b LEMP` option when installing.
 # /bin/sh virtualmin-install.sh -b LEMP
 ```
 
-If you won't be processing mail on the system, or the system is small (<1.5GB RAM)
-you will likely want to use the `--minimal` option as well, which excludes some
-of the more resource-intensive parts of the mail stack, and some other optional
-packages.
-
-The install script uses your OS native package manager to install all software,
-including our packages.
-
 The `LEMP` stack installs Virtualmin with the nginx and nginx-ssl plugins, nginx,
 BIND, Postfix, MariaDB, PHP, etc. and sets them up for use in a shared virtual hosting
-environment.
+environment. The `--minimal` flag also works with a `LEMP` installation.
 
 # OS Support