def destroy
      @placement = Placement.find(params[:id])
      @placement.destroy
  
      respond_to do |format|
        format.html { redirect_to placements_url }
        format.json { head :no_content }
      end
    end
def destroy
      @placement = Placement.find(params[:id])
      @placement.destroy
  
      respond_to do |format|
        format.html { redirect_to placements_url }
        format.json { head :no_content }
      end
    end
DELETE /placements/1
 DELETE /placements/1.json