chore(speculator): Remove Speculator service remnants #219

Job	Run time
Queue Extension Test	1m 10s
E2E Integration Test	1m 44s
Storage Extension Test	1m 9s
Counter Extension Test	1m 10s
Build and Unit Test	1m 53s
Orchestrator Integration Test	1m 25s
Gateway Integration Test	1m 33s
Required Checks	3s
	10m 7s

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