Reverting "Publishing 0 for cpu/memory over metrics when limit/resour… #569

Job	Run time
windows-unittest-matrix (receiver-0)	17m 39s
windows-unittest-matrix (receiver-1)	17m 53s
windows-unittest-matrix (processor)	17m 50s
windows-unittest-matrix (exporter)	17m 56s
windows-unittest-matrix (extension)	17m 52s
windows-unittest-matrix (internal)	17m 47s
windows-unittest-matrix (pkg)	17m 2s
windows-unittest-matrix (cmd)	17m 56s
windows-unittest-matrix (other)	17m 54s
windows-unittest	0s
	2h 39m 49s

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