Change compatible solver example

Author: mfherbst

docs/src/examples/other_solvers.md

@@ -15,7 +15,7 @@ using DFTK
 model_kwargs = (; functionals=[:lda_x, :lda_c_pw])
 basis_kwargs = (; kgrid=(1, 1, 1), Ecut=20.0)
 scf_kwargs   = (; tol=1e-6)
-calc = DFTKCalculator(; model_kwargs, basis_kwargs, scf_kwargs, verbose=true)
+calc = DFTKCalculator(; model_kwargs, basis_kwargs, scf_kwargs)
 nothing
 ```
 
@@ -46,7 +46,8 @@ using OptimizationNLopt
 solver = NLopt.LD_TNEWTON()
 
 results = minimize_energy!(system, calc, solver;
-                           tol_forces=1e-4u"eV/Å", maxeval=100)
+                           tol_forces=1e-4u"eV/Å", verbosity=1,
+                           maxeval=100)
 nothing
 ```