audit: remove spdx-id as a attr_reader attribute
audit: remove spdx-id as a attr_reader attribute

mahori/brew,JCount/brew,MikeMcQuaid/brew,JCount/brew,MikeMcQuaid/brew,sjackman/homebrew,JCount/brew,JCount/brew,sjackman/homebrew,EricFromCanada/brew,Homebrew/brew,claui/brew,Homebrew/brew,claui/brew,MikeMcQuaid/brew,vitorgalvao/brew,nandub/brew,vitorgalvao/brew,reitermarkus/brew,sjackman/homebrew,reitermarkus/brew,nandub/brew,sjackman/homebrew,nandub/brew,konqui/brew,reitermarkus/brew,mahori/brew,EricFromCanada/brew,vitorgalvao/brew,MikeMcQuaid/brew,claui/brew,claui/brew,EricFromCanada/brew,mahori/brew,vitorgalvao/brew,nandub/brew,Homebrew/brew,konqui/brew,mahori/brew,konqui/brew,Homebrew/brew,konqui/brew,reitermarkus/brew,EricFromCanada/brew