add random-xs-clusted delete runbook #160

Job	Run time
build (faiss-ivf, faissconda, random-xs)	11m 8s
build (faiss-t1, random-xs, faissconda)	10m 29s
build (puck-t1, random-xs, puck)	4m 18s
build (faiss-t1, random-range-xs, faissconda)	9m 5s
build (diskann-t2, random-xs, diskann)	9m 59s
build (diskann-t2, random-range-xs, diskann)	7m 24s
build (bbann, random-xs, bbann)	5m 6s
build (bbann, random-range-xs, bbann)	4m 47s
build (httpann_example, random-xs, httpann_example)	4m 23s
build (httpann_example, random-range-xs, httpann_example)	4m 57s
build (kst_ann_t1, random-xs, kst_ann_t1)	10m 46s
build (buddy-t1, random-xs, faissconda)	10m 23s
build (buddy-t1, random-range-xs, faissconda)	9m 24s
build (kota-t2, random-xs, kota)	8m 21s
build (kota-t2, random-range-xs, kota)	7m 10s
build (team11, random-xs, faissconda)	12m 15s
	2h 9m 55s

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