Remove useless else (RUF047) #1698

Job	Run time
Examples Conda Py3	1m 28s
Mypy	1m 45s
Tests for downstream project meshmode	15m 3s
Documentation	1m 41s
Pylint	1m 36s
Tests for downstream project grudge	10m 27s
Pytest Conda Py3 Intel	2m 4s
Tests for downstream project mirgecom	3s
Ruff	4s
Pytest Conda Py3 POCL	2m 15s
Typos	4s
Tests for downstream project mirgecom_examples	2s
	36m 32s

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