fix(ilc client): correct exposed method unloadApp #2127

Job	Run time
Run E2E tests (mysql, mysql, 3306)	8m 55s
Build ILC (src, refs/pull/603/merge)	6m 12s
Run E2E tests (pg, postgres, 5432)	8m 52s
Build Registry (src, refs/pull/603/merge)	15s
Build ILC (dest, master)	1m 51s
Build Registry (dest, master)	18s
Test Registry (src, refs/pull/603/merge, sqlite3)	1m 33s
Test Registry (src, refs/pull/603/merge, mysql, mysql, 3306)	1m 50s
Test Registry (src, refs/pull/603/merge, pg, postgres, 5432)	1m 36s
Test Registry (dest, master, sqlite3)	1m 49s
Test Registry (dest, master, mysql, mysql, 3306)	1m 49s
Test Registry (dest, master, pg, postgres, 5432)	1m 47s
PR Coverage Report	58s
Push images to registry	5s
Build documentation	0s
	37m 50s

Provide feedback