fix: remove useless else (RUF047) #1699

Job	Run time
Mypy	1m 41s
Examples Conda Py3	1m 32s
Tests for downstream project meshmode	15m 5s
Documentation	1m 40s
Tests for downstream project grudge	10m 12s
Pylint	1m 39s
Pytest Conda Py3 Intel	2m 6s
Tests for downstream project mirgecom	2s
Tests for downstream project mirgecom_examples	5s
Pytest Conda Py3 POCL	2m 21s
Ruff	5s
Typos	4s
	36m 32s

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