Remove support for autodiff::Symbol, autodiff::Bool, and chunk keyword arguments

[devmotion]

Same as JuliaNLSolvers/Optim.jl#1187.

[pkofod]

there are conflicts but they are conceptually simple

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.53%. Comparing base (f3b1773) to head (d0da5bc).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #164      +/-   ##
==========================================
+ Coverage   90.69%   91.53%   +0.83%     
==========================================
  Files          10       10              
  Lines         645      626      -19     
==========================================
- Hits          585      573      -12     
+ Misses         60       53       -7     

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[pkofod]

Excellent, thanks