[chore] migrate metrics to mdatagen telemetry (#33500) #4

Job	Run time
windows-unittest-matrix (receiver-0)	16m 47s
windows-unittest-matrix (receiver-1)	20m 39s
windows-unittest-matrix (receiver-2)	19m 48s
windows-unittest-matrix (receiver-3)	18m 39s
windows-unittest-matrix (processor-0)	14m 40s
windows-unittest-matrix (processor-1)	14m 53s
windows-unittest-matrix (exporter-0)	16m 24s
windows-unittest-matrix (exporter-1)	19m 33s
windows-unittest-matrix (exporter-2)	16m 9s
windows-unittest-matrix (exporter-3)	16m 1s
windows-unittest-matrix (extension)	15m 50s
windows-unittest-matrix (connector)	12m 14s
windows-unittest-matrix (internal)	17m 55s
windows-unittest-matrix (pkg)	15m 14s
windows-unittest-matrix (cmd-0)	10m 32s
windows-unittest-matrix (cmd-1)	15m 11s
windows-unittest-matrix (other)	25m 57s
windows-unittest	0s
	4h 46m 26s

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