minor bug md_sea

fluc_obs computed twice

src/juobs_tools.jl

@@ -227,7 +227,6 @@ function md_sea(a::uwreal, md::Vector{Matrix{Float64}}, ws::ADerrors.wspace=ADer
         md_aux = cat(md_aux, md[k][:, 1:ivrep[k]], dims=2)
     end
 
-    fluc_obs = getfield.(ws.fluc[p], :delta)
     fluc_md = md_aux .- mean(md_aux, dims=2)
     uwerr(a)
     fluc_obs = mchist(a, id)
@@ -277,7 +276,7 @@ derm = [[corr_pp_d1[k], corr_pp_d2[k]] for k = 1:length(pp_d1)]
 
 m = meff(corr_pp[1], plat)
 m_md1, m_md2 = md_val(m, corr_pp[1], derm[1])
-m_shifted = m + 2 * dm1 * m_md1 + dm2 * m_md2
+m_shifted = m + dm1 * m_md1 + dm2 * m_md2
 ```
 """
 function md_val(a::uwreal, obs::Corr, derm::Vector{Corr})