Delete debug variable from OptimizationSolver utiles

[AlessandroPierro]

Objective of issue: remove debug variable

Lava version:

• [x] 0.2.3 (current version)

I'm submitting a ...

• [x] bug report / cleanup

Related code:

• https://github.com/lava-nc/lava-optimization/blob/1de5b0bc546ef11ab917659287bac8f8c1b44e9e/src/lava/lib/optimization/solvers/generic/builder.py#L184-L186
• https://github.com/lava-nc/lava-optimization/blob/1de5b0bc546ef11ab917659287bac8f8c1b44e9e/src/lava/lib/optimization/solvers/generic/builder.py#L249-L250
• • https://github.com/lava-nc/lava-optimization/blob/1de5b0bc546ef11ab917659287bac8f8c1b44e9e/src/lava/lib/optimization/solvers/generic/hierarchical_processes.py#L82
• https://github.com/lava-nc/lava-optimization/blob/1de5b0bc546ef11ab917659287bac8f8c1b44e9e/src/lava/lib/optimization/solvers/generic/hierarchical_processes.py#L388
• https://github.com/lava-nc/lava-optimization/blob/1de5b0bc546ef11ab917659287bac8f8c1b44e9e/src/lava/lib/optimization/solvers/generic/sub_process_models.py#L89
• https://github.com/lava-nc/lava-optimization/blob/1de5b0bc546ef11ab917659287bac8f8c1b44e9e/src/lava/lib/optimization/solvers/generic/sub_process_models.py#L89

[GaboFGuerra]

@AlessandroPierro, @srrisbud, @phstratmann Do we know who added this and for what reason?

[AlessandroPierro]

Resolved.