synth: remove cruft #954

Job	Run time
Generate configs	8s
Lint Bazel files	2s
Smoketests	1m 56s
//sram:top_mix_cts	3m 5s
tag_array_64x184_generate_abstract	3m 29s
open //sram:top_mix	3m 24s
Local flow - clean setup	5m 47s
tag_array_64x184_report	2m 17s
open tag_array_64x184	2m 3s
lb_32x128_generate_abstract	3m 42s
open L1MetadataArray	3m 51s
lb_32x128_test_generate_abstract	2m 12s
open subpackage:L1MetadataArray	3m 48s
L1MetadataArray_generate_abstract	4m 8s
open subpackage:tag_array_64x184	2m 5s
data_2048x8_generate_abstract	2m 10s
regfile_128x65_floorplan	2m 3s
subpackage:L1MetadataArray_generate_abstract	4m 9s
subpackage:tag_array_64x184_generate_abstract	2m 8s
Local flow - preinstalled orfs	5m 40s
	58m 7s

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