refactor(nx-plugin): remove options merge #6873

Job	Run time
Linter	1m 13s
Unit tests (ubuntu-latest)	47s
Format check	1m 26s
Unit tests (windows-latest)	2m 7s
Integration tests (ubuntu-latest)	47s
Unit tests (macos-latest)	1m 16s
Integration tests (windows-latest)	1m 58s
Integration tests (macos-latest)	1m 35s
E2E tests (ubuntu-latest)	2m 50s
E2E tests (macos-latest)	3m 47s
E2E tests (windows-latest)	5m 52s
Build	1m 36s
	25m 14s

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