Remove un-used code

[odow]

It seems we actually have

JuMP.jl/src/variables.jl

Lines 166 to 195 in 3e517d7

	"""
	struct VariableNotOwned{V <: AbstractVariableRef} <: Exception
	variable::V
	end
	The variable `variable` was used in a model different to
	`owner_model(variable)`.
	"""
	struct VariableNotOwned{V<:AbstractVariableRef} <: Exception
	variable::V
	end
	"""
	check_belongs_to_model(func::AbstractJuMPScalar, model::AbstractModel)
	Throw [`VariableNotOwned`](@ref) if the [`owner_model`](@ref) of one of the
	variables of the function `func` is not `model`.
	check_belongs_to_model(constraint::AbstractConstraint, model::AbstractModel)
	Throw [`VariableNotOwned`](@ref) if the [`owner_model`](@ref) of one of the
	variables of the constraint `constraint` is not `model`.
	"""
	function check_belongs_to_model end
	function check_belongs_to_model(v::AbstractVariableRef, model::AbstractModel)
	if owner_model(v) !== model
	throw(VariableNotOwned(v))
	end
	end

[codecov]

Codecov Report

Merging #2546 (8d7489d) into master (3e517d7) will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2546      +/-   ##
==========================================
+ Coverage   92.94%   92.97%   +0.03%     
==========================================
  Files          44       44              
  Lines        5456     5454       -2     
==========================================
  Hits         5071     5071              
+ Misses        385      383       -2     

Impacted Files	Coverage Δ
src/JuMP.jl	83.03% <ø> (+0.73%)	⬆️

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[odow]

@blegat I guess this is accidental?

[odow]

@blegat Bump.