neuter online version-check

Index: src/ansiblelint/config.py
--- src/ansiblelint/config.py.orig
+++ src/ansiblelint/config.py
@@ -296,6 +296,9 @@ def get_version_warning() -> str:
     if not pip:
         return ""
 
+    # managed by pkg_add
+    return ""
+
     msg = ""
     data = {}
     current_version = Version(__version__)
