We are not using erl_make_certs anymore

Makefile

@@ -88,13 +88,6 @@ $(H2SPEC):
 	$(verbose) git clone --depth 1 https://github.com/summerwind/h2spec $(dir $(H2SPEC)) || true
 	$(verbose) $(MAKE) -C $(dir $(H2SPEC)) build MAKEFLAGS= || true
 
-# Use erl_make_certs from the tested release during CI
-# and ensure that ct_helper is always recompiled.
-
-ci-setup:: clean deps test-deps
-	$(gen_verbose) cp ~/.kerl/builds/$(CI_OTP_RELEASE)/otp_src_git/lib/ssl/test/erl_make_certs.erl deps/ct_helper/src/ || true
-	$(gen_verbose) $(MAKE) -C $(DEPS_DIR)/ct_helper clean app
-
 # Prepare for the release.
 
 prepare_tag: