[chore] remove skipped leak check (#31011) #37

Job	Run time
windows-unittest-matrix (receiver-0)	17m 32s
windows-unittest-matrix (receiver-1)	23m 9s
windows-unittest-matrix (processor)	15m 39s
windows-unittest-matrix (exporter)	22m 31s
windows-unittest-matrix (extension)	15m 50s
windows-unittest-matrix (internal)	15m 33s
windows-unittest-matrix (pkg)	10m 46s
windows-unittest-matrix (cmd)	17m 49s
windows-unittest-matrix (other)	21m 54s
windows-unittest	4s
	2h 40m 47s

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