Merge pull request #715 from cakephp/3.x-cleanup-empty #663

Job	Run time
cs-stan / Coding Standard & Static Analysis	47s
testsuite / testsuite-linux (8.1, highest, false)	39s
testsuite / testsuite-linux (8.4, highest, false)	1m 40s
testsuite / testsuite-linux (8.1, lowest, false)	30s
testsuite / testsuite-linux (8.2, highest, false)	31s
testsuite / testsuite-linux (8.3, highest, false)	29s
	4m 36s

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