AddFileDependencies: Deprecate this unnecessary module

Document that one can call `set_property` directly instead.
30 jobs for !5788 with AddFileDependencies-deprecate in 5 minutes and 14 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Build
manual #5522299
linux docker cmake build manual
build:centos6-x86_64
passed #5522296
linux docker cmake build
build:debian10-iwyu

00:02:23

manual #5522300
linux docker cmake build linux-3.17 manual
build:fedora33-ninja
passed #5522298
linux docker cmake build linux-3.17
build:fedora33-sphinx

00:05:14

passed #5522297
linux docker cmake build linux-3.17
build:fedora33-tidy

00:03:34

manual #5522302
cmake macos shell nonconcurrent xcode-12.3 manual
build:macos-makefiles
manual #5522301
cmake macos shell nonconcurrent xcode-12.3 manual
build:macos-ninja
manual #5522303
windows cmake shell vs2019 nonconcurrent msvc-19.28 manual
build:windows-vs2019-x64-ninja
 
  Test
created #5522304
linux docker cmake x11 linux-3.17
test:fedora33-ninja
created #5522306
cmake macos shell nonconcurrent xcode-12.3
test:macos-makefiles
created #5522305
cmake macos shell nonconcurrent xcode-12.3
test:macos-ninja
created #5522307
windows cmake shell vs2019 nonconcurrent msvc-19.28
test:windows-vs2019-x64-ninja
 
  Test Ext
created #5522310
linux docker cmake cuda-rt
test:cuda10.2-nvidia
created #5522308
linux docker cmake build linux-3.17
test:debian10-ninja
created #5522309
linux docker cmake build linux-3.17
test:fedora33-makefiles
created #5522311
linux docker cmake build linux-3.17
test:fedora33-ninja-multi
created #5522312
cmake macos shell concurrent xcode-12.3
test:macos-xcode
created #5522313
windows cmake shell vs2019 concurrent msvc-19.28
test:windows-vs2019-x64
 
  External
passed cdash

passed ghostflow-check-master

passed ghostflow-stager

passed cdash

passed cdash

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager