Remove Tracker and Zygote references from tests and documentation (#409)

* Initial plan

* Fix docs build.

* Remove Tracker/Zygote references from tests and docs

Co-authored-by: yebai <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: Hong Ge <[email protected]>
Co-authored-by: yebai <[email protected]>

Author: Copilot

Project.toml

@@ -28,7 +28,6 @@ ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
 LazyArrays = "5078a376-72f3-5289-bfd5-ec5146d43c02"
 Mooncake = "da2b9cff-9c12-43a0-ae48-6db2b0edb7d6"
 ReverseDiff = "37e2e3b7-166d-5795-8a7a-e32c996b4267"
-Tracker = "9f7883ad-71c0-57eb-9f7f-b5c9e6d3789c"
 
 [extensions]
 BijectorsDistributionsADExt = "DistributionsAD"
@@ -38,7 +37,6 @@ BijectorsLazyArraysExt = "LazyArrays"
 BijectorsMooncakeExt = "Mooncake"
 BijectorsReverseDiffExt = "ReverseDiff"
 BijectorsReverseDiffChainRulesExt = ["ChainRules", "ReverseDiff"]
-BijectorsTrackerExt = "Tracker"
 
 [compat]
 ArgCheck = "1, 2"
@@ -61,7 +59,6 @@ Reexport = "0.2, 1"
 ReverseDiff = "1"
 Roots = "1.3.15, 2"
 Statistics = "1"
-Tracker = "0.2"
 julia = "1.10.8"
 
 [extras]
@@ -70,5 +67,4 @@ EnzymeCore = "f151be2c-9106-41f4-ab19-57ee4f262869"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
 LazyArrays = "5078a376-72f3-5289-bfd5-ec5146d43c02"
 Mooncake = "da2b9cff-9c12-43a0-ae48-6db2b0edb7d6"
-ReverseDiff = "37e2e3b7-166d-5795-8a7a-e32c996b4267"
-Tracker = "9f7883ad-71c0-57eb-9f7f-b5c9e6d3789c"
+ReverseDiff = "37e2e3b7-166d-5795-8a7a-e32c996b4267"