.fixtures.yml: remove trailing whitespace

Author: bastelfreak

.fixtures.yml

@@ -7,7 +7,7 @@ fixtures:
     provision: 'https://github.com/puppetlabs/provision.git'
     puppet_agent: 'https://github.com/puppetlabs/puppetlabs-puppet_agent.git'
     stdlib: "https://github.com/puppetlabs/puppetlabs-stdlib.git"
-    yumrepo_core: 
+    yumrepo_core:
       repo: "https://github.com/puppetlabs/puppetlabs-yumrepo_core.git"
       puppet_version: '>= 6.0.0'
   symlinks: