Fix #1335, Combine redundant switch blocks to simplify `CFE_ES_CleanupObjectCallback` #1965

Job	Run time
checks-for-duplicates	5s
Custom checkout and cache for cFS documents	2m 27s
Build Mission Doc / checks-for-duplicates	5s
Build and deploy cFE Docs / checks-for-duplicates	3s
Build and deploy cFE Docs / Build Documentation (cfe-usersguide)	1m 10s
Build Mission Doc / Build Documentation (mission-doc)	2m 1s
Deploy documentation to gh-pages	0s
	5m 51s

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