remove old code #673

Job	Run time
omnibus compilations, trigger	4s
omnibus compilations, #1	27m 30s
omnibus compilations, #2	34m 32s
omnibus compilations, #9	28m 16s
omnibus compilations, #12	14m 50s
omnibus compilations, #3	34m 13s
omnibus compilations, #7	33m 57s
omnibus compilations, #5	23m 41s
omnibus compilations, #4	27m 28s
omnibus compilations, #10	27m 16s
omnibus compilations, #6	28m 40s
omnibus compilations, #11	24m 35s
omnibus compilations, #8	27m 48s
omnibus compilations, result	3s
	5h 32m 53s

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