[hostinfo] There is no config file for this module

- the empty config file would fail in tests
 - move the documentation part of it to CMakeLists.txt

src/modules/hostinfo/CMakeLists.txt

@@ -1,3 +1,22 @@
+# Configuration for hostinfo
+#
+# There isn't anything to configure for the hostinfo module.
+#
+# Hostinfo puts information about the host system into Calamares
+# GlobalStorage. This information is generally unchanging. Put
+# this module somewhere early in the exec: section to pick up
+# the variables. Use a contextualprocess module later to
+# react to the values, if needed.
+#
+# GlobalStorage keys:
+#
+#   - *hostOS* the OS this module was built under; value is "Linux" or
+#       "FreeBSD" or blank.
+#   - *hostOSName* the NAME value from /etc/os-release if it exists,
+#       otherwise the same as *hostOS*.
+#   - *hostCPU* the make (brand) of the CPU, if it can be determined.
+#       Values are "Intel" or "AMD" or blank.
+
 calamares_add_plugin( hostinfo
     TYPE job
     EXPORT_MACRO PLUGINDLLEXPORT_PRO

src/modules/hostinfo/hostinfo.conf

@@ -1,20 +0,0 @@
-# Configuration for hostinfo
-#
-# There isn't anything to configure for the hostinfo module.
-#
-# Hostinfo puts information about the host system into Calamares
-# GlobalStorage. This information is generally unchanging. Put
-# this module somewhere early in the exec: section to pick up
-# the variables. Use a contextualprocess module later to
-# react to the values, if needed.
-#
-# GlobalStorage keys:
-#
-#   - *hostOS* the OS this module was built under; value is "Linux" or
-#       "FreeBSD" or blank.
-#   - *hostOSName* the NAME value from /etc/os-release if it exists,
-#       otherwise the same as *hostOS*.
-#   - *hostCPU* the make (brand) of the CPU, if it can be determined.
-#       Values are "Intel" or "AMD" or blank.
----
-# There is no configuration to be done.