refactor: Simplify declarative reconciler #619

Job	Run time
Wait for image build	11m 10s
E2E (watcher-enqueue)	4m 32s
E2E (kyma-deprovision-with-foreground-propagation)	5m 39s
E2E (kyma-deprovision-with-background-propagation)	5m 38s
E2E (module-status-decoupling)	7m 20s
E2E (kyma-metrics)	5m 50s
E2E (module-without-default-cr)	5m 22s
E2E (module-consistency)	9m 58s
E2E (non-blocking-deletion)	10m 59s
E2E (upgrade-under-deletion)	7m 58s
E2E (purge-controller)	4m 57s
E2E (purge-metrics)	4m 51s
E2E (module-upgrade-channel-switch)	5m 1s
E2E (module-upgrade-new-version)	4m 56s
E2E (skip-manifest-reconciliation)	6m 56s
E2E (ca-certificate-rotation)	5m 5s
E2E (self-signed-certificate-rotation)	4m 57s
E2E (mandatory-module)	6m 15s
E2E (mandatory-module-metrics)	4m 5s
E2E (misconfigured-kyma-secret)	4m 54s
E2E (rbac-privileges)	3m 4s
	2h 9m 27s

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