Remove reference to removed code in debug-statement (#316)

* Update abstractmcmc.jl

* Update Project.toml

* Update Project.toml

Co-authored-by: Hong Ge <3279477+yebai@users.noreply.github.com>

---------

Co-authored-by: Hong Ge <3279477+yebai@users.noreply.github.com>

Author: torfjelde

src/abstractmcmc.jl

@@ -199,9 +199,6 @@ function AbstractMCMC.step(
     nadapts::Int = 0,
     kwargs...,
 )
-    # Get step size
-    @debug "current ϵ" getstepsize(spl, state)
-
     # Compute transition.
     i = state.i + 1
     t_old = state.transition