remove deprecated kernel executor cache (#904) #3436

Job	Run time
Ruff	6s
Mypy	1m 30s
Pylint	1m 49s
Conda Pytest (ubuntu-latest)	3m 54s
Conda Pytest (macos-latest)	4m 23s
Conda Pytest Twice (for cache behavior)	5m 10s
Conda Pytest without arg check	3m 50s
Conda Pytest with Intel CL	4m 25s
Typos	4s
Documentation	1m 39s
Tests for downstream project Firedrake	2m 42s
Tests for downstream project arraycontext	2m 38s
Tests for downstream project meshmode	12m 34s
Conda Examples	1m 52s
Validate CITATION.cff	7s
Tests for downstream project grudge	10m 27s
Tests for downstream project pytential	39m 43s
Tests for downstream project pytato	6m 35s
	1h 43m 28s

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