Revert "circleci: Disable developer warnings for alpine"

This reverts commit f254fff7.

Conflicts:
	.circleci/config.yml

.circleci/config.yml

@@ -331,7 +331,7 @@ workflows:
           name: distcheck_alpine
           dist: alpine
           release: "latest"
-          extra_conf: --disable-developer-warnings --disable-dependency-tracking
+          #extra_conf: --without-jemalloc
       - distcheck:
           name: distcheck_archlinux
           dist: archlinux