hack: remove obsolete sources for go-autogen

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

hack/make/.go-autogen

@@ -1,9 +1,5 @@
 #!/usr/bin/env bash
 
-source hack/dockerfile/install/runc.installer
-source hack/dockerfile/install/tini.installer
-source hack/dockerfile/install/containerd.installer
-
 LDFLAGS="${LDFLAGS} \
 	-X \"github.com/docker/docker/dockerversion.Version=${VERSION}\" \
 	-X \"github.com/docker/docker/dockerversion.GitCommit=${GITCOMMIT}\" \