Removed Zygote tests

[shravanngoswamii]

Removed Zygote tests and Tracker's too...

Closes #817

[coveralls]

Pull Request Test Coverage Report for Build 13769367431

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 438 unchanged lines in 16 files lost coverage.
• Overall coverage remained the same at 84.692%

---

Files with Coverage Reduction	New Missed Lines	%
ext/DynamicPPLEnzymeCoreExt.jl	1	0.0%
src/experimental.jl	3	0.0%
src/submodel_macro.jl	3	81.08%
src/varinfo.jl	4	82.82%
src/threadsafe.jl	5	67.62%
src/varnamedvector.jl	6	90.37%
src/simple_varinfo.jl	7	78.95%
src/context_implementations.jl	11	81.25%
src/model.jl	11	84.17%
ext/DynamicPPLJETExt.jl	16	0.0%

Totals
Change from base Build 13634518410:	0.0%
Covered Lines:	3242
Relevant Lines:	3828

---

💛 - Coveralls

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.60%. Comparing base (38dccd1) to head (02851c8).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #837   +/-   ##
=======================================
  Coverage   84.60%   84.60%           
=======================================
  Files          34       34           
  Lines        3832     3832           
=======================================
  Hits         3242     3242           
  Misses        590      590           

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[yebai]

It looks good, thanks @shravanngoswamii!