Remove inline destructor in solvers folder.

[hongkai-dai]

Towards #22015

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This change is 

[hongkai-dai]

+@jwnimmer-tri for feature review please, thanks!

Reviewable status: LGTM missing from assignee jwnimmer-tri(platform), needs at least two assigned reviewers, missing label for release notes (waiting on @hongkai-dai)

[jwnimmer-tri]

Thanks! both +(status: single reviewer ok) +(release notes: fix).

Reviewed 10 of 10 files at r1, all commit messages.
Reviewable status: 2 unresolved discussions

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solvers/ipopt_solver_internal.h line 65 at r1 (raw file):

                  MathematicalProgramResult* result);

  virtual ~IpoptSolver_NLP()

nit Missing ; (CI complaints).

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solvers/minimum_value_constraint.cc line 234 at r1 (raw file):

}

MinimumValueLowerBoundConstraint::~MinimumValueLowerBoundConstraint() = default;

nit Move this up in the file by 1 function, so it sits after the constructor definition but prior to the set function definition.

[jwnimmer-tri]

Reviewed 2 of 2 files at r2, all commit messages.
Reviewable status: complete! all discussions resolved, LGTM from assignee jwnimmer-tri(platform)