Is your feature request related to a problem? Please describe.
As part of nasa/osal#853 and nasa/cFE#1215 the registration APIs are getting fully deprecated and removed. Applications no longer need to call OS_TaskRegister, CFE_ES_RegisterApp, or CFE_ES_RegisterChildTask.

Describe the solution you'd like
Remove references to these functions.

Additional context
Will be required with nasa/osal#853 and nasa/cFE#1215

Requester Info
Joseph Hickey, Vantage Systems, Inc.