remove redundant _logpdf implementation

Author: Red-Portal

src/families/location_scale.jl

@@ -75,11 +75,6 @@ function Distributions.logpdf(q::MvLocationScale, z::AbstractVector{<:Real})
     sum(Base.Fix1(logpdf, dist), scale \ (z - location)) - logdet(scale)
 end
 
-function Distributions._logpdf(q::MvLocationScale, z::AbstractVector{<:Real})
-    @unpack location, scale, dist = q
-    sum(Base.Fix1(logpdf, dist), scale \ (z - location)) - logdet(scale)
-end
-
 function Distributions.rand(q::MvLocationScale)
     @unpack location, scale, dist = q
     n_dims = length(location)

test/interface/location_scale.jl

@@ -35,12 +35,6 @@
             @test eltype(logpdf(q, z))  == realtype 
         end
 
-        @testset "_logpdf" begin
-            z = rand(q)
-            @test Distributions._logpdf(q, z)          ≈ logpdf(q_true, z)  rtol=realtype(1e-2)
-            @test eltype(Distributions.logpdf(q, z))  == realtype 
-        end
-
         @testset "entropy" begin
             @test eltype(entropy(q)) == realtype
             @test entropy(q)         ≈ entropy(q_true)