collection: Use license_file in galaxy.yml

Solves issue #617.

Signed-off-by: Bernd Finger <[email protected]>

galaxy.yml

@@ -32,12 +32,12 @@ description: Collection of Ansible Roles for SAP software installation in variou
 
 # Either a single license or a list of licenses for content inside of a collection. Ansible Galaxy currently only
 # accepts L(SPDX,https://spdx.org/licenses/) licenses. This key is mutually exclusive with 'license_file'
-license:
-  - Apache-2.0
+#license:
+#  - Apache-2.0
 
 # The path to the license file for the collection. This path is relative to the root of the collection. This key is
 # mutually exclusive with 'license'
-license_file: ''
+license_file: 'LICENSE'
 
 # A list of tags you want to associate with the collection for indexing/searching. A tag name has the same character
 # requirements as 'namespace' and 'name'