docs: drop the contradictory "positionally" from the cap comment

The failure this cap exists for is a keyword call, Configuration(session_id=...),
so describing it as a keyword we pass positionally described nothing.

Comment only.

Author: anoop-narang

pyproject.toml

@@ -33,8 +33,8 @@ dependencies = [
   #
   # Capped to the current minor. This package is a hand-written wrapper over a
   # GENERATED client, so an SDK minor can remove a model field or a Configuration
-  # keyword we pass positionally and there is no regeneration step here to catch
-  # it — an uncapped floor turns someone else's release into a break in ours,
+  # keyword we pass, and there is no regeneration step here to catch it — an
+  # uncapped floor turns someone else's release into a break in ours,
   # with no commit of our own to point at. Raise the cap deliberately, after
   # running the suite against the new minor.
   "hotdata>=0.8.0,<0.9",