docs(log): remove unrelated single-instance comment from log readme

plugins/log/README.md

@@ -31,8 +31,6 @@ tauri-plugin-log = "2.0.0"
 tauri-plugin-log = { git = "https://github.com/tauri-apps/plugins-workspace", branch = "v2" }
 ```
 
-If you want the single instance mechanism to only trigger for semver compatible instances of your apps, for example if you expect users to have multiple installations of your app installed, you can add `features = ["semver"]` to the dependency declaration in `Cargo.toml`.
-
 Then you can install the JavaScript Guest bindings using your preferred JavaScript package manager:
 
 ```sh