Renovate: Remove :semanticCommits preset.

Change-Id: I7a6cb999585fc35b631c8f6ef928a68e25ea2ce8
diff --git a/renovate-config.json b/renovate-config.json
index a2d8f76..8fe54fd 100644
--- a/renovate-config.json
+++ b/renovate-config.json
@@ -9,7 +9,6 @@
   , ":disableDependencyDashboard"
   , ":docker"
   , ":rebaseStalePrs"
-  , ":semanticCommits" 
   , ":semanticPrefixChore"
   ]
 , "configMigration": true