Use std distribution instead of boost ones

[Quentin62]

https://en.cppreference.com/w/cpp/header/random

• weibull_distribution
• normal_distribution
• poisson_distribution
• negative_binomial_distribution
• uniform_int_distribution
• uniform_real_distribution
• exponential_distribution

[Quentin62]

only sampling functions are available in the standard library. cdf, pdf, lpdf are not available