Get rid of redundant "None" if None expressions

str(None) is "None", so these expressions are redundant in f-strings.

Signed-off-by: mulhern <amulhern@redhat.com>

Author: mulkieran

src/stratis_cli/_actions/_list_filesystem.py

@@ -150,7 +150,7 @@ def filesystem_size_quartet(
                     )
                 )
             )
-            return f'{triple_str} / {"None" if limit is None else limit}'
+            return f"{triple_str} / {limit}"
 
         tables = [
             (
@@ -209,7 +209,7 @@ def display(self):
         print()
         print(f"Created: {created}")
         print()
-        print(f'Snapshot origin: {"None" if origin is None else origin}')
+        print(f"Snapshot origin: {origin}")
         if origin is not None:
             scheduled = "Yes" if fs.MergeScheduled() else "No"
             print(f"    Revert scheduled: {scheduled}")
@@ -225,4 +225,4 @@ def display(self):
             f"{TABLE_FAILURE_STRING if size_triple.free() is None else size_triple.free()}"
         )
         print()
-        print(f"  Size Limit: {'None' if limit is None else limit}")
+        print(f"  Size Limit: {limit}")

src/stratis_cli/_actions/_list_pool.py

@@ -367,9 +367,7 @@ def _print_detail_view(
 
         metadata_version = _metadata_version(mopool)
 
-        print(
-            f'Metadata Version: {"none" if metadata_version is None else metadata_version}'
-        )
+        print(f"Metadata Version: {metadata_version}")
 
         print(
             f"Actions Allowed: "