Remove Test Helpers from Package.swift #8552

Job	Run time
Automated Code Review	11m 0s
Launch Allure TestOps	31s
Build Test App and Frameworks	4m 43s
Build LLC + UI (Xcode 13)	7m 6s
Build Demo App + Example Apps	9m 31s
Test UI (Debug)	14m 15s
Test LLC (Debug)	23m 34s
Test Integration	9m 5s
Test E2E UI (Debug) (0)	23m 30s
Test E2E UI (Debug) (1)	29m 23s
Test E2E UI (Debug) (2)	27m 47s
	2h 40m 25s

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