tso/local: remove dc location and local_locator.go #22603

Job	Run time
chunks (1, Unit Test(1))	4m 58s
chunks (1, Unit Test(1))	4m 58s
chunks (2, Unit Test(2))	3m 38s
chunks (2, Unit Test(2))	3m 38s
chunks (3, Unit Test(3))	4m 49s
chunks (3, Unit Test(3))	4m 49s
chunks (4, Tests(1))	5m 25s
chunks (4, Tests(1))	5m 38s
chunks (5, Tests(2))	5m 8s
chunks (5, Tests(2))	5m 8s
chunks (6, Tools Test)	5m 26s
chunks (6, Tools Test)	5m 58s
chunks (7, Client Integration Test)	5m 25s
chunks (7, Client Integration Test)	4m 48s
chunks (8, TSO Integration Test)	5m 13s
chunks (8, TSO Integration Test)	5m 4s
chunks (9, MicroService Integration(!TSO))	4m 22s
chunks (9, MicroService Integration(!TSO))	4m 22s
chunks (10, MicroService Integration(TSO))	5m 26s
chunks (10, MicroService Integration(TSO))	5m 11s
report-coverage	0s
report-coverage	14s
	1h 39m 38s

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