[exporter/skywalking] remove unmaintained component (#33907) #2

Job	Run time
windows-unittest-matrix (receiver-0)	11m 59s
windows-unittest-matrix (receiver-1)	16m 55s
windows-unittest-matrix (receiver-2)	16m 50s
windows-unittest-matrix (receiver-3)	18m 14s
windows-unittest-matrix (processor-0)	8m 49s
windows-unittest-matrix (processor-1)	9m 21s
windows-unittest-matrix (exporter-0)	11m 4s
windows-unittest-matrix (exporter-1)	16m 55s
windows-unittest-matrix (exporter-2)	9m 54s
windows-unittest-matrix (exporter-3)	11m 58s
windows-unittest-matrix (extension)	12m 10s
windows-unittest-matrix (connector)	10m 13s
windows-unittest-matrix (internal)	14m 0s
windows-unittest-matrix (pkg)	8m 43s
windows-unittest-matrix (cmd-0)	4m 2s
windows-unittest-matrix (cmd-1)	11m 11s
windows-unittest-matrix (other)	12m 0s
windows-unittest	0s
	3h 24m 18s

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