Fix Travis push build

Makefile

@@ -3,11 +3,6 @@ SUB_PROJECTS := docker
 include build/common.mk
 
 
-.PHONY: publish_tgz
-publish_tgz:
-	$(call STEP_MESSAGE)
-	./scripts/publish_tgz.sh
-
 .PHONY: publish_packages
 publish_packages:
 	$(call STEP_MESSAGE)
@@ -16,6 +11,6 @@ publish_packages:
 # The travis_* targets are entrypoints for CI.
 .PHONY: travis_cron travis_push travis_pull_request travis_api
 travis_cron: all
-travis_push: only_build publish_tgz only_test_fast publish_packages
+travis_push: only_build only_test_fast publish_packages
 travis_pull_request: only_build only_test_fast
 travis_api: all