Removed target var #2213

tools/cadvisor/Dockerfile.template

tools/calicoctl/Dockerfile.template

tools/car/Dockerfile.template

tools/cas/Dockerfile.template

tools/cascadia-code/Dockerfile.template

tools/catatonit/Dockerfile.template

tools/cdebug/Dockerfile.template

tools/cdncheck/Dockerfile.template

tools/cdxgen/Dockerfile.template

tools/cfssl/Dockerfile.template

tools/chart-releaser/Dockerfile.template

tools/chart-testing/Dockerfile.template

tools/cheat/Dockerfile.template

tools/checkov/Dockerfile.template

tools/chekr/Dockerfile.template

tools/chigo/Dockerfile.template

tools/chisel/Dockerfile.template

tools/cilium/Dockerfile.template

tools/cinf/Dockerfile.template

tools/click/Dockerfile.template