docs: removed an incorrect statement on the behavior of commitMessagePrefix (#27258)

docs/usage/configuration-options.md

@@ -494,11 +494,6 @@ Set this to `"never"` to leave the titles untouched, allowing uppercase characte
 This is used to alter `commitMessage` and `prTitle` without needing to copy/paste the whole string.
 The "prefix" is usually an automatically applied semantic commit prefix, but it can also be statically configured.
 
-<!-- prettier-ignore -->
-!!! note
-    Renovate _always_ appends a `:` after the `commitMessagePrefix`.
-    For example, if you set `commitMessagePrefix` to `chore`, Renovate turns it into `chore:`.
-
 ## commitMessageSuffix
 
 This is used to add a suffix to commit messages.