Fix setup.cfg syntax error, not allowed comment in files section

In [files] section of setup.cfg there is not allowed comment, which
breaks installation with setup.py.

Change-Id: I38fce0a6c155e4b7d2ff7a2535f18e8adc2566e9
Story: 2005546
Task: 30692

setup.cfg

@@ -18,14 +18,15 @@ classifier =
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.5
 
+# In below section we have to include the roles directory explicitly
+# to Workaround PBR bug:
+#     source prefix replaced globally, see:
+#     https://bugs.launchpad.net/pbr/+bug/1810804
 [files]
 packages =
     kayobe
 data_files =
     share/kayobe/ansible = ansible/*
-    # We have to include the roles directory explicitly to Workaround PBR bug:
-    # source prefix replaced globally, see:
-    # https://bugs.launchpad.net/pbr/+bug/1810804
     share/kayobe/ansible/roles = ansible/roles/*
     share/kayobe/doc = doc/*
     share/kayobe/etc_examples = etc/*