mask: update removal line to match GLEP-84

Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>

Author: arthurzam

src/pkgdev/scripts/pkgdev_mask.py

@@ -213,7 +213,7 @@ def get_comment(bugs, rites: int):
     tmp = tempfile.NamedTemporaryFile(mode="w")
     summary = []
     if rites:
-        summary.append(f"Removal: {datetime.now(timezone.utc) + timedelta(days=rites):%Y-%m-%d}.")
+        summary.append(f"Removal on {datetime.now(timezone.utc) + timedelta(days=rites):%Y-%m-%d}.")
     if bugs:
         # Bug(s) #A, #B, #C
         bug_list = ", ".join(f"#{b}" for b in bugs)

tests/scripts/test_pkgdev_mask.py

@@ -294,7 +294,7 @@ def test_last_rites(self):
                     f"""\
                         # First Last <first.last@email.com> ({today})
                         # mask comment
-                        # Removal: {removal}.
+                        # Removal on {removal}.
                         cat/pkg
                     """
                 )