dnf_versionlock: docs and comments for Python < 3.6 (#10984)

plugins/modules/dnf_versionlock.py

@@ -59,7 +59,6 @@ notes:
     far we have to work with a best guess as close as possible to the behaviour inferred from its code.
   - For most of cases where you want to lock and unlock specific versions of a package, this works fairly well.
   - Does not work with C(dnf5).
-  - This module requires Python 3.6 or greater to run, which should not be a problem for most systems that use C(dnf).
 requirements:
   - dnf
   - dnf-plugin-versionlock
@@ -177,7 +176,7 @@ def match(entry, pattern):
     m = NEVRA_RE.match(entry)
     if not m:
         return False
-    # indexing a match object with [] is a Python 3.6+ construct
+
     for name in (
         f"{m['name']}",
         f"{m['name']}.{m['arch']}",