chore: renovate: use prefix from preset

nadiamoe · nadiamoe · commit 48760776fa1f · 2025-02-06T13:00:07.000+01:00
Now that release-please, and thus conventional commits have found this
repo, renovate should obey those conventions, as much as that hurts me.
diff --git a/.github/renovate.json5 b/.github/renovate.json5
@@ -5,5 +5,4 @@
     "github>grafana/sm-renovate//presets/synthetic-monitoring.json5",
     "github>grafana/sm-renovate//presets/go.json5",
   ],
-  "commitMessagePrefix": "",
 }

Original file line number	Diff line number	Diff line change
`@@ -5,5 +5,4 @@`
`5`	`5`	`"github>grafana/sm-renovate//presets/synthetic-monitoring.json5",`
`6`	`6`	`"github>grafana/sm-renovate//presets/go.json5",`
`7`	`7`	`],`
`8`		`- "commitMessagePrefix": "",`
`9`	`8`	`}`