app: cleanup `README.md`

app/README.md

 # Desktop
 
-_Note: the Ollama desktop app is a work in progress and is not ready yet for general use._
-
 This app builds upon Ollama to provide a desktop experience for running models.
 
 ## Developing
@@ -19,9 +17,3 @@ npm install
 npm start
 ```
 
-## Coming soon
-
-- Browse the latest available models on Hugging Face and other sources
-- Keep track of previous conversations with models
-- Switch quickly between models
-- Connect to remote Ollama servers to run models