问从散列数组中删除散列？

EN

h = {
    :vehicle => [
        [0] {
            :make => "Honda",
            :year => 2010
        },
        [1] {
            :make => "Kia",
            :year => 2014
        },
        [2] {
            :make => "Saturn",
            :year => 2005
        }
    ]
}

h = {
    :vehicle => [
        [0] {
            :make => "Honda",
            :year => 2010
        },
        [1] {
            :make => "Saturn",
            :year => 2005
        }
    ]
}

h[:vehicle].delete_if{ |_,v| v == "Kia" } 
 #=> does nothing

h.delete_if{ |_,v| v == "Kia" } 
 #=> does nothing

h[:vehicle].tap { |_,v| v.delete("Kia") } 
 #=> does nothing

h.delete("Kia") 
 #=> nil

h[:vehicle].delete("Kia") 
 #=> nil

h[:vehicle].include?("Kia") 
 #=> false 

h[:vehicle][1] 
 #=> {:make=>"Kia", :year=>2014} 

h[:vehicle][1].include?("Kia") 
 #=> false