Remove scm-source.json creation (#2301)

e2e/Dockerfile

@@ -6,7 +6,6 @@ LABEL maintainer="Team ACID @ Zalando <team-acid@zalando.de>"
 ENV TERM xterm-256color
 
 COPY requirements.txt ./
-COPY scm-source.json ./
 
 RUN apt-get update \
     && apt-get install --no-install-recommends -y \

e2e/Makefile

@@ -36,12 +36,9 @@ copy: clean
 	cp -r ../manifests .
 	mkdir tls
 
-docker: scm-source.json
+docker:
 	docker build -t "$(IMAGE):$(TAG)" .
 
-scm-source.json: ../.git
-	echo '{\n "url": "git:$(GITURL)",\n "revision": "$(GITHEAD)",\n "author": "$(USER)",\n "status": "$(GITSTATUS)"\n}' > scm-source.json
-
 push: docker
 	docker push "$(IMAGE):$(TAG)"