Update pytest.ini

Co-authored-by: Anthonios Partheniou <partheniou@google.com>

Author: daniel-sanche

pytest.ini

@@ -6,5 +6,3 @@ filterwarnings =
     ignore:.*custom tp_new.*in Python 3.14:DeprecationWarning
     # Remove once deprecated field `including_default_value_fields` is removed
     ignore:.*The argument `including_default_value_fields` has been removed.*:DeprecationWarning
-    # Remove once deprecated field `float_precision` is removed
-    # See https://github.com/googleapis/proto-plus-python/issues/547