fix(suse): correct OS grain

SUSE based distributions report the "os" grain as "SUSE".
Only "os_family" is reported as "Suse".

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>

FORMULA

@@ -1,5 +1,5 @@
 name: TEMPLATE
-os: Debian, Ubuntu, Raspbian, RedHat, Fedora, CentOS, Amazon, Oracle, Suse, openSUSE, Gentoo, Funtoo, Arch, Manjaro, Alpine, FreeBSD, OpenBSD, Solaris, SmartOS, Windows, MacOS
+os: Debian, Ubuntu, Raspbian, RedHat, Fedora, CentOS, Amazon, Oracle, SUSE, openSUSE, Gentoo, Funtoo, Arch, Manjaro, Alpine, FreeBSD, OpenBSD, Solaris, SmartOS, Windows, MacOS
 os_family: Debian, RedHat, Suse, Gentoo, Arch, Alpine, FreeBSD, OpenBSD, Solaris, Windows, MacOS
 version: 5.0.11
 release: 1