General Issue: Clean up and alphabetize `admiral-pacakges.R`

[bms63]

The https://github.com/pharmaverse/admiral/blob/main/R/admiral-package.R is getting a bit messy. There are duplicated packages with one or two functions listed, which should be consolidated. The file is also a bit hard to read as nothing is alphabetize.

Pervious discussion _Originally posted by @bms63 in https://github.com/pharmaverse/admiral/pull/2362#discussion_r1613492532_

Definition of Done

• [ ] Consolidate duplicated packages into one
• [ ] Alphabetize functions

Quick win for anyone interested! @pharmaverse/admiral @pharmaverse/admiral_comm

[gg106046]

@bms63 I can take this up!