Update README.md

README.md

@@ -30,11 +30,6 @@ The app runs on a local server with live reloading when code is edited (except f
 
 **NOTES:** Each time new modules are installed you have to run 'npm install' and 'bower isntall'.
 
-## Build & development
-
-Run `grunt` for building and `grunt serve` for preview.
-Run 'grunt build' to build and process some further optimation of the app. 
-
 ## Notes
 
 ### Shortcuts
@@ -99,4 +94,4 @@ The backend can be restarted with the button "**purge & restart**", if it has cr
 
 ### Audio
 
-Audio is right now supported by the app, but not by the backend. Stitching and editing audio to the video files is possible, but will not be send to the backend for processing.
+Audio is right now supported by the app, but not by the backend. Stitching and editing audio to the video files is possible, but will not be send to the backend for processing.