chore(speculator): Remove Speculator service remnants #220

Job	Run time
E2E Integration Test	1m 32s
Counter Extension Test	1m 16s
Gateway Integration Test	1m 32s
Queue Extension Test	1m 12s
Storage Extension Test	1m 14s
Build and Unit Test	1m 39s
Orchestrator Integration Test	1m 39s
Required Checks	2s
	10m 6s

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