Remove visualization modules from mesa.experimental

[quaquel]

This removes visualization modules from mesa.experimental.

[github-actions]

Performance benchmarks:

Model	Size	Init time [95% CI]	Run time [95% CI]
BoltzmannWealth	small	🟢 -7.5% [-8.8%, -6.1%]	🔵 -2.4% [-2.6%, -2.2%]
BoltzmannWealth	large	🔵 -2.3% [-3.2%, -1.5%]	🟢 -7.4% [-8.9%, -5.7%]
Schelling	small	🔵 -2.4% [-2.7%, -2.1%]	🔵 -2.3% [-2.4%, -2.1%]
Schelling	large	🔵 -3.2% [-4.0%, -2.4%]	🟢 -6.0% [-6.7%, -5.5%]
WolfSheep	small	🔵 -1.9% [-2.2%, -1.6%]	🔵 -1.6% [-1.8%, -1.4%]
WolfSheep	large	🔵 -2.5% [-3.2%, -1.9%]	🟢 -8.8% [-10.2%, -7.3%]
BoidFlockers	small	🔵 -0.1% [-0.6%, +0.4%]	🔵 -1.4% [-1.9%, -0.9%]
BoidFlockers	large	🔵 +0.9% [+0.4%, +1.6%]	🔵 -1.1% [-1.8%, -0.4%]

[EwoutH]

Had already a draft branch, thanks! Will review after diner.

[EwoutH]

The whole components folder can also be removed, right?

[quaquel]

The whole components folder can also be removed, right?

good point, I now have removed those as well.

[EwoutH]

Thanks!