Update RELEASING.md (#1188)

Signed-off-by: Gregor Zeitlinger <[email protected]>

RELEASING.md

@@ -21,10 +21,6 @@ This will trigger the release workflow which will deploy the release to Maven Ce
 
 ## Create a Release 
 
-Wait for the release to appear on Maven Central at 
-https://mvnrepository.com/artifact/io.prometheus/prometheus-metrics-core. 
-Once it is available, create a release on Github.
-
 1. Go to https://github.com/prometheus/client_java/releases
 2. Click on "Choose a tag", enter the tag name (e.g. `v0.1.0`), and click "Create a new tag".
 3. Click on "Generate release notes" to auto-generate the release notes based on the commits since the last release.